# NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 20 - 26 of 425

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## Question number: 20

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MCQ▾

### Question

If , , , then P: S is equal to

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 21

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MCQ▾

### Question

A number, when divided by 296, gives the 75 as remainder. If the same number is divided by 37 then the remainder will be

### Choices

Choice (4)Response

a.

19

b.

1

c.

31

d.

2

## Question number: 22

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MCQ▾

### Question

Three spherical balls of radius 1 cm, 2 cm and 3 cm are melted to form a single spherical ball. In the process, the loss of material is 25%. The radius of the new ball is

### Choices

Choice (4)Response

a.

6 cm

b.

2 cm

c.

5 cm

d.

3 cm

## Question number: 23

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MCQ▾

### Question

If the sum of n terms of an A. P. is . Find the term.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 24

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MCQ▾

### Question

What should come in place of the question mark (? ) in the following number series?

### Choices

Choice (4)Response

a.

96

b.

142

c.

403

d.

124

## Question number: 25

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MCQ▾

### Question

8 years ago, the ages (in years) of A and B were in the ratio 3: 4; and 8 years hence they will be in the ratio 6: 7. The present age of A is

### Choices

Choice (4)Response

a.

48 years

b.

36 years

c.

64 years

d.

24 years

## Question number: 26

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MCQ▾

### Question

The sum of all the digits of the numbers from 1 to 100 is

### Choices

Choice (4)Response

a.

5050

b.

903

c.

900

d.

901

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