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1562
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$$0$
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2 answers
1567
NIELIT 2019 Feb Scientist C - Section D: 29
If $(-4,0),(1,-1)$ are two vertices of a triangle whose area is $4$ Sq units then its third vertex lies on: $y=x$ $5x+y+12=0$ $x+5y-4=0$ $x-5y+4=0$
If $(-4,0),(1,-1)$ are two vertices of a triangle whose area is $4$ Sq units then its third vertex lies on:$y=x$$5x+y+12=0$$x+5y-4=0$$x-5y+4=0$
0 votes
1 answer
1568
NIELIT 2019 Feb Scientist C - Section C: 1
If $\log _{e}x+\log _{e}(1+x)=0,$ then: $x^{2}+x-1=0$ $x^{2}+x+1=0$ $x^{2}+x-e=0$ $x^{2}+x+e=0$
If $\log _{e}x+\log _{e}(1+x)=0,$ then:$x^{2}+x-1=0$$x^{2}+x+1=0$$x^{2}+x-e=0$$x^{2}+x+e=0$
0 votes
1 answer
1569
NIELIT 2019 Feb Scientist C - Section C: 3
The factors of $(x^{2}+4y^{2}+4y-4xy-2x-8)$ are: $(x-2y-4)(x-2y+2)$ $(x-y+2)(x-4y-4)$ $(x+2y-4)(x+2y+2)$ None of these
The factors of $(x^{2}+4y^{2}+4y-4xy-2x-8)$ are:$(x-2y-4)(x-2y+2)$$(x-y+2)(x-4y-4)$$(x+2y-4)(x+2y+2)$None of these
0 votes
1 answer
1570
NIELIT 2019 Feb Scientist C - Section C: 2
If the ratio of the areas of two squares is $9:1$, the ratios of their perimeters is: $9:1$ $3:1$ $3:4$ $1:3$
If the ratio of the areas of two squares is $9:1$, the ratios of their perimeters is:$9:1$$3:1$$3:4$$1:3$
0 votes
1 answer
1571
NIELIT 2019 Feb Scientist C - Section C: 7
$A$ and $B$ start a business with initial investments in the ratio $12:11$ and their annual profits were in the ratio $4:1$. If $A$ invested the money for $11$ months, $B$ invested for: $3$ months $4$ months $\dfrac{11}{3}$ months $6$ months
$A$ and $B$ start a business with initial investments in the ratio $12:11$ and their annual profits were in the ratio $4:1$. If $A$ invested the money for $11$ months, $B...
2 votes
1 answer
1572
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...
0 votes
1 answer
1574
NIELIT 2019 Feb Scientist C - Section C: 5
By which one of the following should we multiply $152207$ so that the product is $11111111$? $53$ $63$ $73$ $83$
By which one of the following should we multiply $152207$ so that the product is $11111111$?$53$$63$$73$$83$
0 votes
1 answer
1576
NIELIT 2019 Feb Scientist C - Section C: 10
A sum of money amounts to $₹6,690$ after $3$ years and to $₹10,035$ after $6$ years on compound interest. The sum is: $₹4,400$ $₹4,460$ $₹4,520$ $₹4,445$
A sum of money amounts to $₹6,690$ after $3$ years and to $₹10,035$ after $6$ years on compound interest. The sum is:$₹4,400$$₹4,460$$₹4,520$$₹4,445$
0 votes
1 answer
1577
NIELIT 2019 Feb Scientist C - Section C: 11
For a sphere of radius $10$ cm, the numerical value of the surface area is how many percent of the numerical value of its volume? $26.5\%$ $24\%$ $30\%$ $45\%$
For a sphere of radius $10$ cm, the numerical value of the surface area is how many percent of the numerical value of its volume?$26.5\%$$24\%$$30\%$$45\%$
0 votes
1 answer
1580
NIELIT 2019 Feb Scientist C - Section C: 15
Tarun bought a T.V with $20\%$ discount on the labelled price. If he had bought it with $25\%$ discount, he would have saved $₹500$. At what price did he buy the T.V.? $₹8,000$ $₹10,000$ $₹12,000$ $₹16,000$
Tarun bought a T.V with $20\%$ discount on the labelled price. If he had bought it with $25\%$ discount, he would have saved $₹500$. At what price did he buy the T.V.?$...
1 votes
1 answer
1581
NIELIT 2019 Feb Scientist C - Section C: 14
Kamla got married $6$ years ago. Today her age is $1\dfrac{1}{4}$ times of her age at the time of marriage. Her son’s age is $\dfrac{1}{10}$ times of her age. Her son’s age is : $2$ years $3$ years $4$ years $5$ years
Kamla got married $6$ years ago. Today her age is $1\dfrac{1}{4}$ times of her age at the time of marriage. Her son’s age is $\dfrac{1}{10}$ times of her age. Her son�...
0 votes
2 answers
1582
NIELIT 2019 Feb Scientist C - Section C: 12
About the number of pairs which have $16$ as their H.C.F. and $136$ as their L.C.M., we can definitely say that: Only one such pair exists Only two such pairs exist Many such pairs exist No such pair exists
About the number of pairs which have $16$ as their H.C.F. and $136$ as their L.C.M., we can definitely say that:Only one such pair existsOnly two such pairs existMany suc...
1 votes
2 answers
1584
NIELIT 2019 Feb Scientist C - Section C: 19
If $a^{x}=b, b^{y}=c$ and $c^{z}=a$, then $xyz$ equals: $abc$ $\dfrac{1}{abc}$ $1$ None
If $a^{x}=b, b^{y}=c$ and $c^{z}=a$, then $xyz$ equals:$abc$$\dfrac{1}{abc}$$1$None
0 votes
2 answers
1585
NIELIT 2019 Feb Scientist C - Section C: 18
On dividing $50$ into two parts such that the sum of their reciprocals is $\dfrac{1}{12}$, we get the parts as: $20,30$ $24,26$ $28,22$ $36,14$
On dividing $50$ into two parts such that the sum of their reciprocals is $\dfrac{1}{12}$, we get the parts as:$20,30$$24,26$$28,22$$36,14$
1 votes
2 answers
1590
NIELIT 2019 Feb Scientist C - Section C: 22
A general wishing to draw his $17429$ men in the form of a solid square found that he had $5$ men over. The number of men in the front row was: $174$ $424$ $132$ $742$
A general wishing to draw his $17429$ men in the form of a solid square found that he had $5$ men over. The number of men in the front row was:$174$$424$$132$$742$
0 votes
1 answer
1591
NIELIT 2019 Feb Scientist C - Section C: 24
One litre of water is evaporated from $6$ litres of a solution containing $4\%$ of sugar. The percentage of sugar in the remaining solution is: $\dfrac{7}{5}\% \\$ $\dfrac{26}{5}\% \\$ $\dfrac{24}{5}\% \\$ $\dfrac{17}{5}\%$
One litre of water is evaporated from $6$ litres of a solution containing $4\%$ of sugar. The percentage of sugar in the remaining solution is:$\dfrac{7}{5}\% \\$$\dfrac{...
0 votes
2 answers
1592
NIELIT 2019 Feb Scientist C - Section C: 26
On a scale of a map, $0.6$ cm represents $6.6$ km. If the distance between two points on the map is $80.5$ cm, the actual distance between these points is: $9$ km $72.5$ km $190.75$ km $885.5$ km
On a scale of a map, $0.6$ cm represents $6.6$ km. If the distance between two points on the map is $80.5$ cm, the actual distance between these points is:$9$ km$72.5$ km...
0 votes
1 answer
1593
NIELIT 2019 Feb Scientist C - Section C: 25
If a train runs at $40$ kmph, it reaches its destination late by $11$ minutes but if it runs at $50$ kmph, it is late by $5$ minutes only. The correct time for the train to complete its journey is: $13$ min $15$ min $19$ min $21$ min
If a train runs at $40$ kmph, it reaches its destination late by $11$ minutes but if it runs at $50$ kmph, it is late by $5$ minutes only. The correct time for the train ...
0 votes
1 answer
1595
NIELIT 2019 Feb Scientist C - Section C: 28
The H.C.F. of $(4x^{3}+3x^{2}y-9xy^{2}+2y^{3})$ and $(x^{2}+xy-2y^{2})$ is : $(x-2y)$ $(x-y)$ $(x+2y)(x-y)$ $(x-2y)(x-y)$
The H.C.F. of $(4x^{3}+3x^{2}y-9xy^{2}+2y^{3})$ and $(x^{2}+xy-2y^{2})$ is :$(x-2y)$$(x-y)$$(x+2y)(x-y)$$(x-2y)(x-y)$
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