Percentage [NRA CGL (National Recruitment Agency-Combined Graduate Level) Mathematics]: Questions 17 - 22 of 30

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Question number: 17

Percentage
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Question

MCQ▾

Nitin’s salary was reduced by 20 % and then the reduced salary was increased by 20%. His new salary in comparison with his original salary is (Paper-1)

Choices

Choice (4)Response

a.

4 % less

b.

5 % less

c.

1 % more

d.

The same

Question number: 18

Percentage
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Question

MCQ▾

Three numbers A, B and C are in the ratio . Their average is 400. If A is increased by and B is decreased by , then to get the average increased by , C will be increased by (Paper - I)

Choices

Choice (4)Response

a.

280

b.

182

c.

220

d.

260

Question number: 19

Percentage
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Question

MCQ▾

Tanisha’s salary was increased by 10%. In order to bring her salary back to the original value, her new salary must be decreased by (Paper - I)

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 20

Percentage
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Question

MCQ▾

The length of a rectangle is decreased by 10 % and its breadth is increased by 5%. By what percent its area changed?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 21

Percentage
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Question

MCQ▾

If A exceeds B by 20 % and B is less than C by 40%, then is

Choices

Choice (4)Response

a.

65: 32

b.

18: 25

c.

14: 25

d.

Question number: 22

Percentage
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Question

MCQ▾

A man bought a second-hand typewriter for Rs. 3000 and spent Rs. 1000 on its repairs. He sold it for Rs. 6000. His profit percent is

Choices

Choice (4)Response

a.

b.

c.

d.