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Recent questions tagged quantitative-aptitude
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1
Aptitude , Chapter :Ratio Proportion
asked
May 15, 2020
in
Quantitative Aptitude
LavTheRawkstar
40
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6
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ratio-proportion
quantitative-aptitude
0
votes
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2
NIELIT 2016 MAR Scientist D: 61
A man rowed $3$ miles upstream in $90$ minutes. If the river flowed with a current of $2$ miles per hour, how long did the man’s return trip take? $20$ minutes $30$ minutes $45$ minutes $60$ minutes
A man rowed $3$ miles upstream in $90$ minutes. If the river flowed with a current of $2$ miles per hour, how long did the man’s return trip take? $20$ minutes $30$ minutes $45$ minutes $60$ minutes
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
88
views
nielit2016mar-scientistd
quantitative-aptitude
boat-stream
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NIELIT 2016 MAR Scientist D: 63
A circular garden twenty feet in diameter is surrounded by a path three feet wide. What is the area of the path? $51 \pi$ square feet $60 \pi$ square feet $69 \pi$ square feet $90 \pi$ square feet
A circular garden twenty feet in diameter is surrounded by a path three feet wide. What is the area of the path? $51 \pi$ square feet $60 \pi$ square feet $69 \pi$ square feet $90 \pi$ square feet
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
65
views
nielit2016mar-scientistd
quantitative-aptitude
geometry
0
votes
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NIELIT 2016 MAR Scientist D: 64
What is the area of a semicircle with a diameter of $16$ inches? $32 \pi$ square inches $64 \pi$ square inches $128 \pi$ square inches $256 \pi$ square inches
What is the area of a semicircle with a diameter of $16$ inches? $32 \pi$ square inches $64 \pi$ square inches $128 \pi$ square inches $256 \pi$ square inches
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
69
views
nielit2016mar-scientistd
quantitative-aptitude
geometry
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votes
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NIELIT 2016 MAR Scientist D: 65
Which of the following figures has the largest perimeter $(1 \text{ foot} = 12 \text{ inches})$ a square with a diagonal of $5$ feet a rectangle with sides of $3$ feet and $4$ feet an equilateral triangle with a side equal to $48$ inches a regular hexagon whose longest diagonal is $6$ feet
Which of the following figures has the largest perimeter $(1 \text{ foot} = 12 \text{ inches})$ a square with a diagonal of $5$ feet a rectangle with sides of $3$ feet and $4$ feet an equilateral triangle with a side equal to $48$ inches a regular hexagon whose longest diagonal is $6$ feet
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
43
views
nielit2016mar-scientistd
quantitative-aptitude
geometry
0
votes
0
answers
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NIELIT 2016 MAR Scientist D: 66
Two bicyclists travel in opposite directions. One travels $5$ miles per hour faster than the other. In $2$ hours they are $50$ miles apart. What is the rate of the faster bicyclist? $11.25$ mph $15$ mph $20$ mph $22.5$ mph
Two bicyclists travel in opposite directions. One travels $5$ miles per hour faster than the other. In $2$ hours they are $50$ miles apart. What is the rate of the faster bicyclist? $11.25$ mph $15$ mph $20$ mph $22.5$ mph
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
44
views
nielit2016mar-scientistd
quantitative-aptitude
speed-distance-time
0
votes
0
answers
7
NIELIT 2016 MAR Scientist D: 62
A man walks $10$ miles at an average rate of $2$ miles per hour and returns on a bicycle at an average rate of $10$ miles per hour. How long (to the nearest hour) does the entire trip take him? $4$ hours $5$ hours $6$ hours $7$ hours
A man walks $10$ miles at an average rate of $2$ miles per hour and returns on a bicycle at an average rate of $10$ miles per hour. How long (to the nearest hour) does the entire trip take him? $4$ hours $5$ hours $6$ hours $7$ hours
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
59
views
nielit2016mar-scientistd
quantitative-aptitude
speed-distance-time
1
vote
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NIELIT 2016 MAR Scientist D: 69
The sum of a number and its double is $69$. What is the number? $46.6$ $34.5$ $23$ $20$
The sum of a number and its double is $69$. What is the number? $46.6$ $34.5$ $23$ $20$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
85
views
nielit2016mar-scientistd
quantitative-aptitude
algebra
1
vote
1
answer
9
NIELIT 2016 MAR Scientist D: 67
Sonal has finished reading $30\%$ of a $340$-page novel. How many pages has she read? $102$ $103$ $105$ $113$
Sonal has finished reading $30\%$ of a $340$-page novel. How many pages has she read? $102$ $103$ $105$ $113$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
96
views
nielit2016mar-scientistd
quantitative-aptitude
percentage
0
votes
1
answer
10
NIELIT 2016 MAR Scientist D: 72
Rani will be twice Raja’s age in $3$ years when Raja will be $40$. How many years old is Rani now? $20$ $80$ $77$ $37$
Rani will be twice Raja’s age in $3$ years when Raja will be $40$. How many years old is Rani now? $20$ $80$ $77$ $37$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
103
views
nielit2016mar-scientistd
quantitative-aptitude
ages
1
vote
1
answer
11
NIELIT 2016 MAR Scientist D: 71
A certain number when added to $50\%$ of itself is $27$. What is the number? $7$ $9$ $11$ $18$
A certain number when added to $50\%$ of itself is $27$. What is the number? $7$ $9$ $11$ $18$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
86
views
nielit2016mar-scientistd
quantitative-aptitude
algebra
0
votes
1
answer
12
NIELIT 2016 MAR Scientist D: 70
Twelve less than $4$ times a number is $20$. What is the number? $2$ $4$ $6$ $8$
Twelve less than $4$ times a number is $20$. What is the number? $2$ $4$ $6$ $8$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
95
views
nielit2016mar-scientistd
quantitative-aptitude
algebra
0
votes
0
answers
13
NIELIT 2016 MAR Scientist D: 68
Of $150$ people polled, $105$ said they rode the city bus at least $3$ times per week. How many people out of $100,000$ could be expected to ride the city bus at least $3$ times each week? $55,000$ $70,000$ $72,500$ $75,000$
Of $150$ people polled, $105$ said they rode the city bus at least $3$ times per week. How many people out of $100,000$ could be expected to ride the city bus at least $3$ times each week? $55,000$ $70,000$ $72,500$ $75,000$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
53
views
nielit2016mar-scientistd
quantitative-aptitude
percentage
0
votes
1
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14
NIELIT 2016 MAR Scientist D: 73
The perimeter of a parallelogram is $50$ cm. The length of the parallelogram is $5$ cm more than the width. Find the length of the parallelogram. $15$ cm $11$ cm $5$ cm $10$ cm
The perimeter of a parallelogram is $50$ cm. The length of the parallelogram is $5$ cm more than the width. Find the length of the parallelogram. $15$ cm $11$ cm $5$ cm $10$ cm
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
99
views
nielit2016mar-scientistd
quantitative-aptitude
geometry
0
votes
0
answers
15
NIELIT 2019 Feb Scientist D - Section D: 4
If $P$\left (x, y \right)$ is any point on the line joining the points $A$\left (a, 0 \right)$ and $B$\left(0, b \right)$ then the value of $bx+ay-ab$ is : $1$ $-1$ $0$ $2$
If $P$\left (x, y \right)$ is any point on the line joining the points $A$\left (a, 0 \right)$ and $B$\left(0, b \right)$ then the value of $bx+ay-ab$ is : $1$ $-1$ $0$ $2$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
60
views
nielit2019feb-scientistd
quantitative-aptitude
equations
0
votes
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answers
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NIELIT 2019 Feb Scientist D - Section D: 1
In a swimming-pool $90$ m by $40$ m, $150$ men take a dip. If the average displacement of water by a man is $8$ cubic metres, what will be rise in water level ? $30$ cm $33.33$ cm $20.33$ cm $25$ cm
In a swimming-pool $90$ m by $40$ m, $150$ men take a dip. If the average displacement of water by a man is $8$ cubic metres, what will be rise in water level ? $30$ cm $33.33$ cm $20.33$ cm $25$ cm
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
68
views
nielit2019feb-scientistd
quantitative-aptitude
geometry
0
votes
0
answers
17
NIELIT 2019 Feb Scientist D - Section D: 2
A conical tent is to accommodate $10$ persons. Each person must have $6$ $m$^{2}$ space to sit and $30$ $m$^{2}$ of air to breath. What will be height of cone ? $37.5$ $m$ $150$ $m$ $75$ $m$ $15$ $m$
A conical tent is to accommodate $10$ persons. Each person must have $6$ $m$^{2}$ space to sit and $30$ $m$^{2}$ of air to breath. What will be height of cone ? $37.5$ $m$ $150$ $m$ $75$ $m$ $15$ $m$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
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371
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778
55
views
nielit2019feb-scientistd
quantitative-aptitude
geometry
0
votes
1
answer
18
NIELIT 2019 Feb Scientist D - Section D: 3
A school has $378$ girls and $675$ boys. All the students divided into strictly boys and strictly girls students sections. All the sections in the school has same number of students. What is the number of sections in the school? $27$ $36$ $39$ $23$
A school has $378$ girls and $675$ boys. All the students divided into strictly boys and strictly girls students sections. All the sections in the school has same number of students. What is the number of sections in the school? $27$ $36$ $39$ $23$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
71
views
nielit2019feb-scientistd
quantitative-aptitude
algebra
1
vote
0
answers
19
NIELIT 2019 Feb Scientist D - Section D: 6
If $a^{2}+b^{2}+c^{2}=1$, then which of the following can't be the value of $ab+bc+ca$ ? $0$ $\frac{1}{2}$ $\frac{-1}{4}$ $-1$
If $a^{2}+b^{2}+c^{2}=1$, then which of the following can't be the value of $ab+bc+ca$ ? $0$ $\frac{1}{2}$ $\frac{-1}{4}$ $-1$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
54
views
nielit2019feb-scientistd
quantitative-aptitude
equations
0
votes
0
answers
20
NIELIT 2019 Feb Scientist D - Section D: 7
Find all the polynomials with real coefficients $P\left(x \right)$ such that $P\left(x^{2}+x+1 \right)$ divides $P\left(x^{3}-1 \right)$. $ax^{n}$ $ax^{n+2}$ $ax$ $2ax$
Find all the polynomials with real coefficients $P\left(x \right)$ such that $P\left(x^{2}+x+1 \right)$ divides $P\left(x^{3}-1 \right)$. $ax^{n}$ $ax^{n+2}$ $ax$ $2ax$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
69
views
nielit2019feb-scientistd
quantitative-aptitude
polynomials
0
votes
0
answers
21
NIELIT 2019 Feb Scientist D - Section D: 9
Find the mode of the following data : ... $20.22$ $19.47$ $21.12$ $20.14$
Find the mode of the following data : $\begin{array}{|cl|cI|}\hline &\text{Age} & \text{0-6} & \text{6-12} & \text{12-18} & \text{18-24} & \text{24-30} & \text{30-36} & \text{36-42} \\ \hline &\text{Frequency} & \text{6} & \text{11} & \text{25} & \text{35} & \text{18} & \text{12} & \text{6} \\ \hline \end{array}$ $20.22$ $19.47$ $21.12$ $20.14$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
68
views
nielit2019feb-scientistd
quantitative-aptitude
mean
1
vote
2
answers
22
NIELIT 2019 Feb Scientist D - Section D: 5
How many pair of natural numbers are there, the differences of whose squares is $45$ ? $1$ $2$ $3$ $4$
How many pair of natural numbers are there, the differences of whose squares is $45$ ? $1$ $2$ $3$ $4$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
102
views
nielit2019feb-scientistd
quantitative-aptitude
number-systems
0
votes
1
answer
23
NIELIT 2019 Feb Scientist D - Section D: 8
If $A$ be the area of a right angled triangle and $b$ be one of the sides containing the right angle, then the length of altitude on the hypotenuse is : $\frac{2Ab}{\sqrt{4b^{4}+A^{2}}}$ $\frac{Ab}{\sqrt{b^{4}+4A^{2}}}$ $\frac{2Ab}{\sqrt{b^{4}+4A^{2}}}$ $\frac{Ab}{\sqrt{4b^{4}+A^{2}}}$
If $A$ be the area of a right angled triangle and $b$ be one of the sides containing the right angle, then the length of altitude on the hypotenuse is : $\frac{2Ab}{\sqrt{4b^{4}+A^{2}}}$ $\frac{Ab}{\sqrt{b^{4}+4A^{2}}}$ $\frac{2Ab}{\sqrt{b^{4}+4A^{2}}}$ $\frac{Ab}{\sqrt{4b^{4}+A^{2}}}$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
57
views
nielit2019feb-scientistd
quantitative-aptitude
geometry
0
votes
0
answers
24
NIELIT 2019 Feb Scientist D - Section D: 15
The roots of the equation $x^{2/3}+x^{1/3}-2=0$ are : $1, -8$ $-1, -2$ $\frac{2}{3}, \frac{1}{3}$ $-2, -7$
The roots of the equation $x^{2/3}+x^{1/3}-2=0$ are : $1, -8$ $-1, -2$ $\frac{2}{3}, \frac{1}{3}$ $-2, -7$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
51
views
nielit2019feb-scientistd
quantitative-aptitude
polynomials
0
votes
0
answers
25
NIELIT 2019 Feb Scientist D - Section D: 10
In an acute angled triangle $ABC$, if $\tan \left(A+B-C \right)=1$ and $\sec \left(B+C-A \right)=2$, Find angle $A$. $60^\circ$ $45^\circ$ $30^\circ$ $90^\circ$
In an acute angled triangle $ABC$, if $\tan \left(A+B-C \right)=1$ and $\sec \left(B+C-A \right)=2$, Find angle $A$. $60^\circ$ $45^\circ$ $30^\circ$ $90^\circ$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
47
views
nielit2019feb-scientistd
quantitative-aptitude
geometry
0
votes
0
answers
26
NIELIT 2019 Feb Scientist D - Section D: 13
Find the value of the expression $1-6+2-7+3-8+\dots\dots$ to $100$ terms. $-250$ $-500$ $-450$ $-300$
Find the value of the expression $1-6+2-7+3-8+\dots\dots$ to $100$ terms. $-250$ $-500$ $-450$ $-300$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
55
views
nielit2019feb-scientistd
quantitative-aptitude
sequences&series
0
votes
0
answers
27
NIELIT 2019 Feb Scientist D - Section D: 14
A bag contains $12$ balls of the two different colours out of which $x$ are white. One ball is drawn at random. If $6$ more white balls are put in a bag, the probability of drawing a white ball now will be doubled to that of previous probability of drawing a white ball. The value of $x$ is : $4$ $5$ $6$ $3$
A bag contains $12$ balls of the two different colours out of which $x$ are white. One ball is drawn at random. If $6$ more white balls are put in a bag, the probability of drawing a white ball now will be doubled to that of previous probability of drawing a white ball. The value of $x$ is : $4$ $5$ $6$ $3$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
●
371
●
778
55
views
nielit2019feb-scientistd
quantitative-aptitude
probability
0
votes
0
answers
28
NIELIT 2019 Feb Scientist D - Section D: 11
What will be area of the rhombus with equations of sides $ax \pm$ $by \pm c$ = $1$ ? $\frac{3c^{2}}{ab}$sq. units $\frac{4c^{2}}{ab}$sq. units $\frac{2c^{2}}{ab}$sq. units $\frac{c^{2}}{ab}$sq. units
What will be area of the rhombus with equations of sides $ax \pm$ $by \pm c$ = $1$ ? $\frac{3c^{2}}{ab}$sq. units $\frac{4c^{2}}{ab}$sq. units $\frac{2c^{2}}{ab}$sq. units $\frac{c^{2}}{ab}$sq. units
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
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371
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778
109
views
nielit2019feb-scientistd
quantitative-aptitude
geometry
0
votes
0
answers
29
NIELIT 2019 Feb Scientist D - Section D: 12
The value of the following expression : $\left [ \frac{1}{2^{2}-1} \right ]+\left [ \frac{1}{4^{2}-1} \right ]+\left [ \frac{1}{6^{2}-1} \right ]+\dots\dots+\left [ \frac{1}{20^{2}-1} \right ]$ is : $\frac{10}{21}$ $\frac{13}{27}$ $\frac{15}{22}$ $\frac{22}{15}$
The value of the following expression : $\left [ \frac{1}{2^{2}-1} \right ]+\left [ \frac{1}{4^{2}-1} \right ]+\left [ \frac{1}{6^{2}-1} \right ]+\dots\dots+\left [ \frac{1}{20^{2}-1} \right ]$ is : $\frac{10}{21}$ $\frac{13}{27}$ $\frac{15}{22}$ $\frac{22}{15}$
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
48
views
nielit2019feb-scientistd
quantitative-aptitude
sequences&series
0
votes
0
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30
NIELIT 2019 Feb Scientist D - Section D: 21
How many litres of a $3\%$ hydrogen peroxide solution should be mixed with $6$ liters of a $30\%$ hydrogen peroxide solution so as to get a mixture of $12\%$ solution ? $3$ litres $6$ liters $9$ litres $12$ litres
How many litres of a $3\%$ hydrogen peroxide solution should be mixed with $6$ liters of a $30\%$ hydrogen peroxide solution so as to get a mixture of $12\%$ solution ? $3$ litres $6$ liters $9$ litres $12$ litres
asked
Apr 3, 2020
in
Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
●
21
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371
●
778
64
views
nielit2019feb-scientistd
quantitative-aptitude
alligation-mixture
0
votes
0
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31
NIELIT 2019 Feb Scientist D - Section D: 20
If $\left (-4, 0 \right), \left(1, -1 \right)$ are two vertices of a triangle whose area is $4$ Sq units then its third vertex lies on : $y=x$ $5x+y+12=0$ $x+5y-4=0$ $x-5y+4=0$
If $\left (-4, 0 \right), \left(1, -1 \right)$ are two vertices of a triangle whose area is $4$ Sq units then its third vertex lies on : $y=x$ $5x+y+12=0$ $x+5y-4=0$ $x-5y+4=0$
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Apr 3, 2020
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Quantitative Aptitude
Lakshman Patel RJIT
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quantitative-aptitude
geometry
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32
NIELIT 2019 Feb Scientist D - Section D: 18
If $ x^{a}=y^{b}=z^{c} $ and $ y^{2}=zx $ then the value of $ \frac{1}{a} + \frac{1}{c}$ is : $ \frac{b}{2}$ $ \frac{c}{2}$ $ \frac{2}{b}$ $ \frac{2}{a}$
If $ x^{a}=y^{b}=z^{c} $ and $ y^{2}=zx $ then the value of $ \frac{1}{a} + \frac{1}{c}$ is : $ \frac{b}{2}$ $ \frac{c}{2}$ $ \frac{2}{b}$ $ \frac{2}{a}$
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Quantitative Aptitude
Lakshman Patel RJIT
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21
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371
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778
84
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nielit2019feb-scientistd
quantitative-aptitude
polynomials
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1
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33
NIELIT 2019 Feb Scientist D - Section D: 17
If $ \ Sinx+Sin^{2} x=1$ then $ \ Cos^{8}x+ 2 \ Cos^{6} x+ \ Cos^{4} x$ equals to : $0$ $-1$ $1$ $2$
If $ \ Sinx+Sin^{2} x=1$ then $ \ Cos^{8}x+ 2 \ Cos^{6} x+ \ Cos^{4} x$ equals to : $0$ $-1$ $1$ $2$
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Lakshman Patel RJIT
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21
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371
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778
74
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nielit2019feb-scientistd
quantitative-aptitude
trigonometry
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0
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34
NIELIT 2019 Feb Scientist D - Section D: 19
If $x= \frac{\sqrt{p^{2}+q^{2}}+\sqrt{p^{2}-q^{2}}}{{\sqrt{p^{2}+q^{2}}-\sqrt{p^{2}-q^{2}}}}$ then $q^{2}x^{2}-2p^{2}x+q^{2}$ equals to : $3$ $-1$ $-2$ $0$
If $x= \frac{\sqrt{p^{2}+q^{2}}+\sqrt{p^{2}-q^{2}}}{{\sqrt{p^{2}+q^{2}}-\sqrt{p^{2}-q^{2}}}}$ then $q^{2}x^{2}-2p^{2}x+q^{2}$ equals to : $3$ $-1$ $-2$ $0$
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Quantitative Aptitude
Lakshman Patel RJIT
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quantitative-aptitude
quadratic-equations
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35
NIELIT 2019 Feb Scientist D - Section D: 16
The sum of first $n$ terms of an $A.P$. whose first term is $\pi$ is zero. The sum of next $m$ terms is : $\frac{ \pi m \left(m+n \right)}{n-1}$ $\frac{ \pi n \left(m+n \right)}{1-n}$ $\frac{ \pi m \left(m+n \right)}{1-n}$ $1$
The sum of first $n$ terms of an $A.P$. whose first term is $\pi$ is zero. The sum of next $m$ terms is : $\frac{ \pi m \left(m+n \right)}{n-1}$ $\frac{ \pi n \left(m+n \right)}{1-n}$ $\frac{ \pi m \left(m+n \right)}{1-n}$ $1$
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Lakshman Patel RJIT
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21
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371
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778
38
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nielit2019feb-scientistd
quantitative-aptitude
sequences&series
1
vote
1
answer
36
NIELIT 2019 Feb Scientist D - Section D: 24
$ \ Sin^{-1}\left [ \frac{3}{5} \right ] + \tan^{-1}\left [ \frac{1}{7} \right ]=$ $\frac{\pi }{4}$ $\frac{\pi }{2}$ $ \ Cos^ {-1} \frac{4}{5} $ $\pi$
$ \ Sin^{-1}\left [ \frac{3}{5} \right ] + \tan^{-1}\left [ \frac{1}{7} \right ]=$ $\frac{\pi }{4}$ $\frac{\pi }{2}$ $ \ Cos^ {-1} \frac{4}{5} $ $\pi$
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371
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778
61
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nielit2019feb-scientistd
quantitative-aptitude
trigonometry
0
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0
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37
NIELIT 2019 Feb Scientist D - Section D: 23
A train enters into a tunnel $AB$ at $A$ and exits at $B$. A jackal is sitting at $O$ in another by passing tunnel $AOB$, which is connected to $AB$ at $A$ and $B$, where $OA$ is perpendicular to $OB$. A cat is sitting at $P$ inside the tunnel $AB$ ... The ratio of speeds of jackal and cat is : $\frac{2}{3}$ $\frac{4}{3}$ $\frac{5}{3}$ $\frac{3}{2}$
A train enters into a tunnel $AB$ at $A$ and exits at $B$. A jackal is sitting at $O$ in another by passing tunnel $AOB$, which is connected to $AB$ at $A$ and $B$, where $OA$ is perpendicular to $OB$. A cat is sitting at $P$ inside the tunnel $AB$ making the shortest possible distance ... $A$. The ratio of speeds of jackal and cat is : $\frac{2}{3}$ $\frac{4}{3}$ $\frac{5}{3}$ $\frac{3}{2}$
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Quantitative Aptitude
Lakshman Patel RJIT
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52
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quantitative-aptitude
train
0
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0
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38
NIELIT 2019 Feb Scientist D - Section D: 22
A train travelling from Delhi to Ambala meets with an accident after $1$ hr. It is stopped for $\frac{1}{2}$ hr, after which it proceeds at fourth-fifth of its usual rate, arriving at Ambala at $2$ hr late. If the train has covered $80$ km more before the ... just $1$ hr late. The usual speed of the train is : $20$ km/hr $30$ km/hr $40$ km/hr $50$ km/hr
A train travelling from Delhi to Ambala meets with an accident after $1$ hr. It is stopped for $\frac{1}{2}$ hr, after which it proceeds at fourth-fifth of its usual rate, arriving at Ambala at $2$ hr late. If the train has covered $80$ km more before the accident, it would have been just $1$ hr late. The usual speed of the train is : $20$ km/hr $30$ km/hr $40$ km/hr $50$ km/hr
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Quantitative Aptitude
Lakshman Patel RJIT
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371
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778
72
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quantitative-aptitude
train
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0
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39
NIELIT 2019 Feb Scientist D - Section D: 25
In the following system of equations $2^{y-x} \left(x+y \right)=1$ & $\left(x+y \right)^{x-y}=2$ the value of $xy$ is : $\frac{1}{2}$ $\frac{3}{4}$ $\frac{1}{4}$ $1$
In the following system of equations $2^{y-x} \left(x+y \right)=1$ & $\left(x+y \right)^{x-y}=2$ the value of $xy$ is : $\frac{1}{2}$ $\frac{3}{4}$ $\frac{1}{4}$ $1$
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quantitative-aptitude
system-of-equation
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1
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40
NIELIT 2019 Feb Scientist D - Section D: 26
A dog at point $A$ goes in pursuit of a fox $30$ $m$ away. The dog makes $2$ $m$ and the fox, $1$ m long leaps. If the dog makes two leaps to the fox’s three, at what distance from $A$ will the dog catch up with the fox ? $100$ $m$ $110$ $m$ $105$ $m$ $120$ $m$
A dog at point $A$ goes in pursuit of a fox $30$ $m$ away. The dog makes $2$ $m$ and the fox, $1$ m long leaps. If the dog makes two leaps to the fox’s three, at what distance from $A$ will the dog catch up with the fox ? $100$ $m$ $110$ $m$ $105$ $m$ $120$ $m$
asked
Apr 3, 2020
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Quantitative Aptitude
Lakshman Patel RJIT
9.1k
points
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21
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371
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778
72
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nielit2019feb-scientistd
quantitative-aptitude
algebra
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