NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 832 - 839 of 2028

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Question number: 832

» Mathematics » Direct and Inverse Proportions

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Question

What least number must be subtracted from each of the numbers 34 23,46 and 31 so that the remainders may be proportional?

Choices

Choice (4) Response

a.

4

b.

0

c.

2

d.

1

Question number: 833

» Mathematics » Cube and Cube Roots

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Question

Calculate the value of .

Choices

Choice (4) Response

a.

-13

b.

13

c.

1

d.

-1

Question number: 834

» Mathematics » Direct and Inverse Proportions

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Question

36 women can complete a piece of work in 12 days. In how many days will 54 women complete the same work?

Choices

Choice (4) Response

a.

8

b.

6

c.

18

d.

10

Question number: 835

» Mathematics » Comparing Quantities

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Question

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 » Mensuration

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Question

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

» Mathematics » Algebraic Expressions and Identities

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Question

The value of is:

Choices

Choice (4) Response

a.

0.04

b.

0.2

c.

0.1

d.

1

Question number: 838

» Mathematics » Factorization

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Question

Value of is:

Choices

Choice (4) Response

a.

100

b.

280

c.

54

d.

28

Question number: 839

» Mathematics » Direct and Inverse Proportions

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Question

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

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