Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 835 - 842 of 1201

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Question number: 835

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Question

MCQ▾

What sum lent out at CI will amount to Rs. 1323 in 2 years at 5 % p. a. interest?

Choices

Choice (4)Response

a.

Rs. 800

b.

Rs. 1200

c.

Rs. 1600

d.

Question does not provide sufficient data or is vague

Question number: 836

Mathematics
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Question

MCQ▾

What change in percent is made in the area of a rectangle by decreasing its length and increasing its breadth by 10%?

Choices

Choice (4)Response

a.

9 % increase

b.

0.01 % increase

c.

1 % decrease

d.

0.99 % decrease

Question number: 837

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Question

MCQ▾

The value of is:

Choices

Choice (4)Response

a.

0.04

b.

0.2

c.

0.1

d.

1

Question number: 838

Mathematics
Edit

Question

MCQ▾

Value of is:

Choices

Choice (4)Response

a.

100

b.

280

c.

54

d.

28

Question number: 839

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Question

MCQ▾

18 men can complete a piece of work in 9 days. In how many days will 12 men complete the same work?

Choices

Choice (4)Response

a.

13.5

b.

11

c.

17.5

d.

16

Question number: 840

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Question

MCQ▾

Simplified form of

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 841

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Question

MCQ▾

If and then is equal to:

Choices

Choice (4)Response

a.

7

b.

3

c.

-4

d.

5

Question number: 842

Edit

Question

MCQ▾

A rope makes 55 rounds of the circumference of a cylinder whose radius of the base is 10 cm. How many times can it go round a cylinder with radius 5 cm?

Choices

Choice (4)Response

a.

110

b.

55

c.

27.5

d.

80