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

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Question number: 145

» Number Systems

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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

» Fundamental Arithmetical Operations

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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

» Speed and Time

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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

» Mensuration

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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

» Fundamental Arithmetical Operations

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MCQ▾

Question

is equal to

Choices

Choice (4)Response

a.

25.6

b.

21.7

c.

24.4

d.

21.5

Question number: 150

» Fundamental Arithmetical Operations

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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

» Ratio and Proportion

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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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