CSIR NET 2018 Mathematical Science Question Paper (16-Dec-2018)

Question 1

A mineral contains a cubic and a spherical cavity. The length of the side of the cube is the same as the diameter of the sphere. If the cubic cavity is half filled with a liquid and the spherical cavity is completely filled with liquid, what is the approximate ratio of the volume of liquid in the cubic cavity to that in the spherical cavity?

Accepted Answer

$1:1$

Answer

$2:1$

Answer

$1:2$

Answer

$1:4$

Question 2

Out of 6 unbiased coins, 5 are tossed independently and they all result in heads. If the 6$^	ext{th}$ is now independently tossed, the probability of getting head is

Accepted Answer

1/2

Answer

1

Answer

0

Answer

1/6

Question 3

What could the fourth figure in the sequence be?

Accepted Answer

""

Answer

Answer

Answer

Question 4

The average age of $A, B$ and $C$, whose ages are integers $x, y$ and $z$ respectively ($x \le y \le z$), is 30. If the age of $B$ is exactly 5 more than that of $A$, what is the minimum possible value of $z$?

Accepted Answer

33

Answer

31

Answer

35

Answer

37

Question 5

Percentage-wise distribution of all science students in a university is given in the pie-diagram. The bar chart shows the distribution of physics students in different sub-areas, where a student takes one and only one sub-area. What percentage of the total science students is girls studying quantum mechanics?

Accepted Answer

2

Answer

10

Answer

1

Answer

0.2

CSIR NET 2018 Mathematical Science Question Paper (16-Dec-2018)

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