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Recent questions tagged quantitative-aptitude
1
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241
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}$$1$
Lakshman Bhaiya
13.7k
points
476
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
system-of-equation
+
–
0
votes
1
answer
242
NIELIT 2019 Feb Scientist D - Section D: 22
A train travelling from Delhi to Ambala meets with an accident after $1$ hr. It is stopped for $\frac{1}{2}$ hr, after which it proceeds at fourth-fifth of its usual rate, arriving at Ambala at $2$ hr late. If the train has covered $80$ km more before the ... just $1$ hr late. The usual speed of the train is : $20$ km/hr $30$ km/hr $40$ km/hr $50$ km/hr
A train travelling from Delhi to Ambala meets with an accident after $1$ hr. It is stopped for $\frac{1}{2}$ hr, after which it proceeds at fourth-fifth of its usual rate...
Lakshman Bhaiya
13.7k
points
677
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
train
+
–
3
votes
1
answer
243
NIELIT 2019 Feb Scientist D - Section D: 30
Find the value of $x$ satisfying : $\log_{10} \left (2^{x}+x-41 \right)=x \left (1-\log_{10}5 \right)$ $40$ $41$ $-41$ $0$
Find the value of $x$ satisfying : $\log_{10} \left (2^{x}+x-41 \right)=x \left (1-\log_{10}5 \right)$$40$$41$$-41$$0$
Lakshman Bhaiya
13.7k
points
582
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
logarithms
+
–
0
votes
1
answer
244
NIELIT 2019 Feb Scientist D - Section D: 28
$\left [\frac{1}{1-x}+\frac{1}{1+x}+\frac{2}{1+x^{2}}+\frac{4}{1+x^{4}}+\frac{8}{1+x^{8}} \right ]$ equal to : $1$ $0$ $\frac{8}{1-x^{8}}$ $\frac{16}{1-x^{16}}$
$\left [\frac{1}{1-x}+\frac{1}{1+x}+\frac{2}{1+x^{2}}+\frac{4}{1+x^{4}}+\frac{8}{1+x^{8}} \right ]$ equal to :$1$$0$$\frac{8}{1-x^{8}}$$\frac{16}{1-x^{16}}$
Lakshman Bhaiya
13.7k
points
585
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
polynomials
+
–
0
votes
1
answer
245
NIELIT 2019 Feb Scientist D - Section D: 29
The image of the point $\left (3, 8 \right)$ in the line $x+3y=7$ is : $\left (1, 4 \right)$ $\left (4, 1 \right)$ $\left (-1, -4 \right)$ $\left (-4, -1 \right)$
The image of the point $\left (3, 8 \right)$ in the line $x+3y=7$ is :$\left (1, 4 \right)$$\left (4, 1 \right)$$\left (-1, -4 \right)$$\left (-4, -1 \right)$
Lakshman Bhaiya
13.7k
points
581
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
straight-lines
+
–
0
votes
1
answer
246
NIELIT 2019 Feb Scientist D - Section D: 27
If $5$ spiders can catch $5$ files in $5$ minutes. How many files can $100$ spiders catch in $100$ minutes : $100$ $1000$ $500$ $2000$
If $5$ spiders can catch $5$ files in $5$ minutes. How many files can $100$ spiders catch in $100$ minutes :$100$$1000$$500$$2000$
Lakshman Bhaiya
13.7k
points
588
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
algebra
+
–
0
votes
1
answer
247
NIELIT 2019 Feb Scientist D - Section C: 17
A dinner party is to be fixed for a group consisting of $100$ persons. In this party, $50$ persons do not prefer fish, $60$ prefer chicken and $10$ do not prefer either chicken or fish. The number of persons who prefer both fish and chicken is: $10$ $20$ $30$ $40$
A dinner party is to be fixed for a group consisting of $100$ persons. In this party, $50$ persons do not prefer fish, $60$ prefer chicken and $10$ do not prefer either c...
Lakshman Bhaiya
13.7k
points
631
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
venn-diagrams
+
–
3
votes
1
answer
248
NIELIT 2019 Feb Scientist D - Section C: 28
A two digit number is such that the product of the digits is $8$. When $18$ is added to the number, the digits are reversed. The number is : $18$ $24$ $81$ $42$
A two digit number is such that the product of the digits is $8$. When $18$ is added to the number, the digits are reversed. The number is :$18$$24$$81$$42$
Lakshman Bhaiya
13.7k
points
905
views
Lakshman Bhaiya
asked
Apr 3, 2020
Quantitative Aptitude
nielit2019feb-scientistd
quantitative-aptitude
number-systems
+
–
0
votes
1
answer
249
NIELIT 2016 MAR Scientist C - Section A: 3
In the first $10$ overs of a cricket game, the run rate was only $3.2$. What should be the run rate in the remaining $40$ overs to reach the target of $282$ runs? $6.25$ $6.5$ $6.75$ $7$
In the first $10$ overs of a cricket game, the run rate was only $3.2$. What should be the run rate in the remaining $40$ overs to reach the target of $282$ runs?$6.25$$6...
Lakshman Bhaiya
13.7k
points
577
views
Lakshman Bhaiya
asked
Apr 2, 2020
Quantitative Aptitude
nielit2016mar-scientistc
quantitative-aptitude
average
+
–
1
votes
1
answer
250
NIELIT 2016 MAR Scientist C - Section A: 14
A car owner buys petrol at $\text{Rs. }7.50, \text{Rs. }8$ and $\text{Rs. }8.50$ per litre for three successive years. What approximately is the average cost per litre of petrol if he spends $\text{Rs. }4000$ each year? $\text{Rs. 7.98}$ $\text{Rs. 6}$ $\text{Rs. 9.50}$ $\text{Rs. 9.5}$
A car owner buys petrol at $\text{Rs. }7.50, \text{Rs. }8$ and $\text{Rs. }8.50$ per litre for three successive years. What approximately is the average cost per litre of...
Lakshman Bhaiya
13.7k
points
699
views
Lakshman Bhaiya
asked
Apr 2, 2020
Quantitative Aptitude
nielit2016mar-scientistc
quantitative-aptitude
average
+
–
0
votes
2
answers
251
NIELIT 2019 Feb Scientist C - Section D: 3
The line $x+y=4$ divides the line joining $\text{(-1,1) & (5,7)}$ in the ratio $\lambda : 1$ then the value of $\lambda$ is: $2$ $3$ $\dfrac{1}{2}$ $1$
The line $x+y=4$ divides the line joining $\text{(-1,1) & (5,7)}$ in the ratio $\lambda : 1$ then the value of $\lambda$ is:$2$$3$$\dfrac{1}{2}$$1$
Lakshman Bhaiya
13.7k
points
906
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
straight-lines
+
–
0
votes
1
answer
252
NIELIT 2019 Feb Scientist C - Section D: 2
Determine $a+b$ such that the following system of equations: $2x-(a-4)y=2b+1 \text{ and }4x-(a-1)y=5b-1$ infinite solutions. $11$ $9$ $10$ $8$
Determine $a+b$ such that the following system of equations:$2x-(a-4)y=2b+1 \text{ and }4x-(a-1)y=5b-1$ infinite solutions.$11$$9$$10$$8$
Lakshman Bhaiya
13.7k
points
661
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
system-of-equation
+
–
0
votes
2
answers
253
NIELIT 2019 Feb Scientist C - Section D: 1
The minute hand is $10$ cm long. Find the area of the face of the clock described by the minute hand between $9$ a.m and $9:35$ a.m. ${183.3\ cm^{2}}$ ${366.6\ cm^{2}}$ ${244.4\ cm^{2}}$ ${188.39\ cm^{2}}$
The minute hand is $10$ cm long. Find the area of the face of the clock described by the minute hand between $9$ a.m and $9:35$ a.m.${183.3\ cm^{2}}$${366.6\ cm^{2}}$${24...
Lakshman Bhaiya
13.7k
points
993
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
clocks
+
–
1
votes
1
answer
254
NIELIT 2019 Feb Scientist C - Section D: 7
If $\theta$ is an acute angle and $\tan\theta+\cot\theta =2$, Find the value of $\tan ^{7}\theta +\cot ^{7}\theta$. $-2$ $1$ $2$ $0$
If $\theta$ is an acute angle and $\tan\theta+\cot\theta =2$, Find the value of $\tan ^{7}\theta +\cot ^{7}\theta$.$-2$$1$$2$$0$
Lakshman Bhaiya
13.7k
points
781
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
trigonometry
+
–
1
votes
1
answer
255
NIELIT 2019 Feb Scientist C - Section D: 6
In a triangle $XYZ$, $P$ and $Q$ are points on ${XY,XZ}$ respectively such that $XP=2PY$, $XQ=2QZ$, then the ratio, of area of $\triangle XPQ$ and area of $\triangle XYZ$ is: $4:9$ $2:3$ $3:2$ $9:4$
In a triangle $XYZ$, $P$ and $Q$ are points on ${XY,XZ}$ respectively such that $XP=2PY$, $XQ=2QZ$, then the ratio, of area of $\triangle XPQ$ and area of $\triangle XYZ$...
Lakshman Bhaiya
13.7k
points
665
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
geometry
+
–
0
votes
1
answer
256
NIELIT 2019 Feb Scientist C - Section D: 5
The value of $\dfrac{1}{6}+\dfrac{1}{12}+\dfrac{1}{20}+ \dots \dots \dots+\dfrac{1}{90}$ is: $\dfrac{1}{5}\\$ $\dfrac{2}{5} \\$ $\dfrac{3}{5} \\$ $1$
The value of $\dfrac{1}{6}+\dfrac{1}{12}+\dfrac{1}{20}+ \dots \dots \dots+\dfrac{1}{90}$ is:$\dfrac{1}{5}\\$$\dfrac{2}{5} \\$$\dfrac{3}{5} \\$$1$
Lakshman Bhaiya
13.7k
points
775
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
sequences&series
+
–
0
votes
1
answer
257
NIELIT 2019 Feb Scientist C - Section D: 4
Which of the following statement is false? ... Statement(iii) Statement(ii) Statement(iv) Statement(i)
Which of the following statement is false?$\begin{array}{ll} \text{Statement(i)} : & \dfrac{501}{25} \text{ is a terminating decimal.} \\ \text{Statement(ii)} : & \dfrac{...
Lakshman Bhaiya
13.7k
points
697
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
fractions
+
–
0
votes
1
answer
258
NIELIT 2019 Feb Scientist C - Section D: 11
The expressions $\dfrac{\tan A}{1-\cot A}+\dfrac{\cot A}{1-\tan A}$ can be written as: $\sin A \ \cos A+1$ $\sec A \ cosec A+1$ $\tan A+ \cot A+1$ $\sec A +cosec A$
The expressions $\dfrac{\tan A}{1-\cot A}+\dfrac{\cot A}{1-\tan A}$ can be written as:$\sin A \ \cos A+1$$\sec A \ cosec A+1$$\tan A+ \cot A+1$$\sec A +cosec A$
Lakshman Bhaiya
13.7k
points
886
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
trigonometry
+
–
0
votes
1
answer
259
NIELIT 2019 Feb Scientist C - Section D: 10
Let $(x_{1},4),(-2,y_{1})$ lies on the line joining the points $(2,-1),(5,-3)$ then the point $P(x_{1},y_{1})$ lies on the line: $6(x+y)-25=0$ $2x+6y+1=0$ $2x+3y-6=0$ $6(x+y)+25=0$
Let $(x_{1},4),(-2,y_{1})$ lies on the line joining the points $(2,-1),(5,-3)$ then the point $P(x_{1},y_{1})$ lies on the line:$6(x+y)-25=0$$2x+6y+1=0$$2x+3y-6=0$$6(x+y...
Lakshman Bhaiya
13.7k
points
675
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
straight-lines
+
–
0
votes
1
answer
260
NIELIT 2019 Feb Scientist C - Section D: 9
sum of roots of the equation $\dfrac{3x^{3}-x^{2}+x-1}{3x^{3}-x^{2}-x+1}=\dfrac{4x^{3}-7x^{2}+x+1}{4x^{3}+7x^{2}-x-1}$ is : $0$ $1$ $-1$ $2$
sum of roots of the equation $\dfrac{3x^{3}-x^{2}+x-1}{3x^{3}-x^{2}-x+1}=\dfrac{4x^{3}-7x^{2}+x+1}{4x^{3}+7x^{2}-x-1}$ is :$0$$1$$-1$$2$
Lakshman Bhaiya
13.7k
points
623
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
quadratic-equations
+
–
0
votes
1
answer
261
NIELIT 2019 Feb Scientist C - Section D: 8
If $x=\cos1^{\circ} \cdot \cos2^{\circ} \cdot \cos3^{\circ}\dots\cos89^{\circ}$ and $y=\cos2^{\circ}\cos6^{\circ}\cos10^{\circ}\dots\cos86^{\circ}$ then what the integer is nearest to $\dfrac{2}{7}\log _{2} \left( \dfrac{y}{x}\right )$is: $19$ $17$ $15$ $21$
If $x=\cos1^{\circ} \cdot \cos2^{\circ} \cdot \cos3^{\circ}\dots\cos89^{\circ}$ and $y=\cos2^{\circ}\cos6^{\circ}\cos10^{\circ}\dots\cos86^{\circ}$ then what the integer ...
Lakshman Bhaiya
13.7k
points
637
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
trigonometry
+
–
0
votes
1
answer
262
NIELIT 2019 Feb Scientist C - Section D: 13
Two persons start walking on a road that diverge at an angle of $120^{\circ}$. If they walk at the rate of $3$km/h and $2$km/h respectively. Find the distance between them after $4$hrs. $4\sqrt{19}$ km $5$ km $7$ km $8\sqrt{19}$ km
Two persons start walking on a road that diverge at an angle of $120^{\circ}$. If they walk at the rate of $3$km/h and $2$km/h respectively.Find the distance between them...
Lakshman Bhaiya
13.7k
points
818
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
speed-distance-time
+
–
0
votes
1
answer
263
NIELIT 2019 Feb Scientist C - Section D: 12
A conical tent is to accommodate $10$ persons. Each person must have $6m^{2}$ space to sit and $30m^{3}$ 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 $6m^{2}$ space to sit and $30m^{3}$ of air to breath. What will be height of cone?$37.5$ m$150$ m$75$...
Lakshman Bhaiya
13.7k
points
707
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
geometry
+
–
0
votes
0
answers
264
NIELIT 2019 Feb Scientist C - Section D: 14
The sum of the squares of the fifth and the eleventh term of an AP is $3$ and the product of the second and fourteenth term is equal to $x$. Find the product of the first and fifteenth term of an AP. $\dfrac{(58x-39)}{45} \\$ $\dfrac{(98x-39)}{72} \\$ $\dfrac{(116x-39)}{90} \\$ $\dfrac{(98x-39)}{90}$
The sum of the squares of the fifth and the eleventh term of an AP is $3$ and the product of the second and fourteenth term is equal to $x$. Find the product of the first...
Lakshman Bhaiya
13.7k
points
432
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
sequences&series
+
–
1
votes
1
answer
265
NIELIT 2019 Feb Scientist C - Section D: 16
If $cosec\theta-\sin\theta=1$ and $\sec\theta-\cos\theta=m$, then $l^{2}m^{2}(l^{2}+m^{2}+3)$ equals to: $1$ $2$ $2 \sin\theta$ $\sin\theta \cos\theta$
If $cosec\theta-\sin\theta=1$ and $\sec\theta-\cos\theta=m$, then $l^{2}m^{2}(l^{2}+m^{2}+3)$ equals to:$1$$2$$2 \sin\theta$$\sin\theta \cos\theta$
Lakshman Bhaiya
13.7k
points
847
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
trigonometry
+
–
0
votes
0
answers
266
NIELIT 2019 Feb Scientist C - Section D: 17
If ${m_1}$ and ${m_2}$ are the roots of equation $x^{2}+(\sqrt{3}+2)x+\sqrt{3}-1=0$ then area of the triangle formed by the lines $y={m_1}x, \: \: y={m_2}x, \: \: y=c$ is: $\bigg(\dfrac{\sqrt{33}+\sqrt{11}}{4}\bigg) c^{2} $ ... $\bigg (\dfrac{\sqrt{33}+\sqrt{10}}{4} \bigg ) c^{2}$ $\bigg( \dfrac{\sqrt{33}+\sqrt{21}}{4} \bigg) c^{3}$
If ${m_1}$ and ${m_2}$ are the roots of equation $x^{2}+(\sqrt{3}+2)x+\sqrt{3}-1=0$ then area of the triangle formed by the lines $y={m_1}x, \: \: y={m_2}x, \: \: y=c$ i...
Lakshman Bhaiya
13.7k
points
494
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
quadratic-equations
+
–
0
votes
1
answer
267
NIELIT 2019 Feb Scientist C - Section D: 18
If $8v-3u=5uv \: \: \& \: \: 6v-5u=-2uv$ then $31u+46v$ is: $44$ $42$ $33$ $55$
If $8v-3u=5uv \: \: \& \: \: 6v-5u=-2uv$ then $31u+46v$ is:$44$$42$$33$$55$
Lakshman Bhaiya
13.7k
points
458
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
equations
+
–
1
votes
1
answer
268
NIELIT 2019 Feb Scientist C - Section D: 19
If $x=\dfrac{\sqrt{10}+\sqrt{2}}{2}, \: \: y=\dfrac{\sqrt{10}-\sqrt{2}}{2}$ then the value of $\log _{2}(x^{2}+xy+y^{2})$ is: $0$ $1$ $2$ $3$
If $x=\dfrac{\sqrt{10}+\sqrt{2}}{2}, \: \: y=\dfrac{\sqrt{10}-\sqrt{2}}{2}$ then the value of $\log _{2}(x^{2}+xy+y^{2})$ is:$0$$1$$2$$3$
Lakshman Bhaiya
13.7k
points
863
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
equations
+
–
0
votes
2
answers
269
NIELIT 2019 Feb Scientist C - Section D: 23
Rs.$6500$ were divided among a certain number of persons. If there had been $15$ more persons, each would have got $Rs.30$ less. Find the original number of persons. $50$ $60$ $45$ $55$
Rs.$6500$ were divided among a certain number of persons. If there had been $15$ more persons, each would have got $Rs.30$ less. Find the original number of persons.$50$$...
Lakshman Bhaiya
13.7k
points
1.0k
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
algebra
+
–
0
votes
0
answers
270
NIELIT 2019 Feb Scientist C - Section D: 22
If $S_1,S_2,S_3,\dots\dots,S_m$ are the sum of first $n$ terms of $m$ arithmetic progressions, whose first terms are $1,4,9,16,\dots,m^{2}$ and common differences are $1,2,3,4,\dots m$ respectively, then the value of $S_1+S_2+S_3+\dots \dots +S_m$ ... $\dfrac{mn(2m+1)}{3} \\$ $\dfrac{mn[3(m+1)+1]}{6} \\$ $\dfrac{mn(m+1)(4m+3n-1)}{12}$
If $S_1,S_2,S_3,\dots\dots,S_m$ are the sum of first $n$ terms of $m$ arithmetic progressions, whose first terms are $1,4,9,16,\dots,m^{2}$ and common differences are $1...
Lakshman Bhaiya
13.7k
points
517
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
sequences&series
+
–
0
votes
1
answer
271
NIELIT 2019 Feb Scientist C - Section D: 21
Find the number of numbers between $300$ to $400$ (both included) that are not divisible by $2,3,4$ and $5$ $50$ $33$ $26$ $17$
Find the number of numbers between $300$ to $400$ (both included) that are not divisible by $2,3,4$ and $5$$50$$33$$26$$17$
Lakshman Bhaiya
13.7k
points
518
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
number-systems
divisibility
+
–
0
votes
1
answer
272
NIELIT 2019 Feb Scientist C - Section D: 20
If a clock strikes once at one o’clock, twice at two o’clock and twelve times at $12$ o’clock and again once at one o’clock and so on, How many times will the bell be struck in the course of $2$ days? $156$ $312$ $78$ $288$
If a clock strikes once at one o’clock, twice at two o’clock and twelve times at $12$ o’clock and again once at one o’clock and so on, How many times will the bel...
Lakshman Bhaiya
13.7k
points
576
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
clocks
+
–
0
votes
1
answer
273
NIELIT 2019 Feb Scientist C - Section D: 28
The price of an article was increased by $p\%$, later the new price was decreased by $p\%$. If the last price was Re. $1$ then the original price was: $\dfrac{1-p^{2}}{200}\\$ $\dfrac{\sqrt{1-p^{2}}}{100} \\$ $1-\dfrac{p^{2}}{10,000-p^{2}} \\$ $\dfrac{10,000}{10,000-p^{2}}$
The price of an article was increased by $p\%$, later the new price was decreased by $p\%$. If the last price was Re. $1$ then the original price was:$\dfrac{1-p^{2}}{200...
Lakshman Bhaiya
13.7k
points
580
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
percentage
+
–
0
votes
1
answer
274
NIELIT 2019 Feb Scientist C - Section D: 27
In a bangle shop. If the shopkeeper displays the bangles in the form of a square then he is left with $38$ bangles. If he wanted to increase the size of square by one bangle each side of the square he found that $25$ bangles fall ... completing the square. The actual number of bangles which he had with him the shop was_________. $1690$ $999$ $538$ $1000$
In a bangle shop. If the shopkeeper displays the bangles in the form of a square then he is left with $38$ bangles. If he wanted to increase the size of square by one ban...
Lakshman Bhaiya
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538
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Lakshman Bhaiya
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Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
geometry
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0
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0
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275
NIELIT 2019 Feb Scientist C - Section D: 26
$A,B,C$ are three towns forming a triangle. A man has to walk from one town to next town, then ride to the next town then again drive towards his starting point. He can walk,ride,drive a km in $a,b,c$ minutes respectively. If he starts ... $c+b-a$ hrs. The length of the triangle is: (assume the motion in anticlockwise direction) $60a$ $50a$ $40a$ $65a$
$A,B,C$ are three towns forming a triangle. A man has to walk from one town to next town, then ride to the next town then again drive towards his starting point. He can ...
Lakshman Bhaiya
13.7k
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506
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Lakshman Bhaiya
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Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
geometry
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0
votes
0
answers
276
NIELIT 2019 Feb Scientist C - Section D: 25
If $x+y+z=2, \:\: xy+yz+zx=-1$ then the value of $x^{3}+y^{3}+z^{3}$ is: $20$ $16$ $8$ $0$
If $x+y+z=2, \:\: xy+yz+zx=-1$ then the value of $x^{3}+y^{3}+z^{3}$ is:$20$$16$$8$$0$
Lakshman Bhaiya
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508
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Lakshman Bhaiya
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Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
equations
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0
votes
1
answer
277
NIELIT 2019 Feb Scientist C - Section D: 24
A cylindrical box of radius $5$ cm contains $10$ solid spherical balls each of radius $5$ cm. If the topmost ball touches the upper cover of the box, then the volume of the empty space in the box is: $\dfrac{2500\pi}{3}$ cubic cm $500\pi$ cubic cm $2500\pi$ cubic cm $\dfrac{5000\pi}{3}$ cubic cm
A cylindrical box of radius $5$ cm contains $10$ solid spherical balls each of radius $5$ cm. If the topmost ball touches the upper cover of the box, then the volume of t...
Lakshman Bhaiya
13.7k
points
679
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Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
geometry
+
–
0
votes
1
answer
278
NIELIT 2019 Feb Scientist C - Section D: 30
A charitable trust donates $28$ different books of Maths, $16$ different books of science and $12$ different books of social science to poor students. Each student is given maximum number of books of only one subject of their interest and each student got equal number of books. Find the total number of students who got books. $14$ $10$ $12$ $15$
A charitable trust donates $28$ different books of Maths, $16$ different books of science and $12$ different books of social science to poor students. Each student is giv...
Lakshman Bhaiya
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Lakshman Bhaiya
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Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
algebra
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0
votes
2
answers
279
NIELIT 2019 Feb Scientist C - Section D: 29
If $(-4,0),(1,-1)$ 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 $(-4,0),(1,-1)$ 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$
Lakshman Bhaiya
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572
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Lakshman Bhaiya
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Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
geometry
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2
votes
1
answer
280
NIELIT 2019 Feb Scientist C - Section C: 6
In a class consisting of $100$ students, $20$ know English and $20$ do not know Hindi and $10$ know neither English nor Hindi. The number of students knowing both Hindi and English is: $5$ $10$ $15$ $20$
In a class consisting of $100$ students, $20$ know English and $20$ do not know Hindi and $10$ know neither English nor Hindi. The number of students knowing both Hindi a...
Lakshman Bhaiya
13.7k
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866
views
Lakshman Bhaiya
asked
Apr 1, 2020
Quantitative Aptitude
nielit2019feb-scientistc
quantitative-aptitude
sets
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