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CSIR NET 2022 | General Aptitude | Numerical Ability Quiz (04.02.2022)

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Question 1

If the radius of a sphere is tripled, then its surface area is increased by:

Question 2

The fractions, , written in ascending order are:

Question 3

A steamer goes downstream and covers the distance between two ports in 6 h. It covers the same distance upstream in 8 h. If the speed of the stream is 3 km/h, then the speed of the streamer in still water is:

Question 4

Direction: Study the following graph and answer the question that follows.

Which of the following statements is TRUE?

Question 5

In a circle of radius 21 cm, an arc-subtends an angle of 72 º at the centre. The length of the arc is

Question 6

Given w = - 2, x = 3, y = 0 and z =, Find the value of w2.

(A) ±2


(B) -2


(C) 2


(D) 4


Question 7

What is the minimum value of y, by which 26y742 is completely divisible by 3?

(A) 2


(B) 1


(C) 0


(D) 5

Question 8

When the shadow of a pole of 10 m height is m, the angular elevation of the Sun is:

Question 9

Two numbers are in the ratio 3 :2. If 8 and 6 are subtracted from the first and the second number respectively, the ratio becomes 8: 5 . The numbers are:

Question 10

144 pencils were purchased at the rate of Rs. 22.50 per dozen. If they were sold at Rs. 2.25 per pencil, what is the profit percentage?

(A) 12% (B) 17.5%


(C) 20% (D) 25%


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