# NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics: Questions 145 - 151 of 425

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## Question number: 145

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MCQ▾

### Question

The least number, which must be added to 1234 to make it exactly divisible by 4, is

### Choices

Choice (4)Response

a.

6

b.

2

c.

7

d.

4

## Question number: 146

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MCQ▾

### Question

The value of correct to 3 places of decimals is

### Choices

Choice (4)Response

a.

1.141

b.

1.441

c.

1.414

d.

1.732

## Question number: 147

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MCQ▾

### Question

A boat goes 30 km downstream and comes back to the starting point in 2 hours. If the speed of the current is 8 km/hr, then the speed (in km/hr) of the boat in still water is

### Choices

Choice (4)Response

a.

38

b.

32

c.

36

d.

39

## Question number: 148

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MCQ▾

### Question

If both the radius and height of a right circular cone are increased by , its volume will be increased by

### Choices

Choice (4)Response

a.

25.1123%

b.

c.

51.7574%

d.

52.0875%

## Question number: 149

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MCQ▾

is equal to

### Choices

Choice (4)Response

a.

25.6

b.

21.7

c.

24.4

d.

21.5

## Question number: 150

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MCQ▾

### Question

The ratio of two numbers is and their LCM is 120. The difference of the two numbers is

### Choices

Choice (4)Response

a.

61

b.

52

c.

26

d.

16

## Question number: 151

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MCQ▾

### Question

A cube of edge 6 cm is cut into cubes each of edge 3 cm. the ratio of the total surface area of one of the small cubes to that of the large cube is equal to

### Choices

Choice (4)Response

a.

b.

c.

d.

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