NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 855 - 861 of 2028

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Question number: 855

» Mathematics » Mensuration

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Question

The radius of a cylinder is halved but its lateral surface area is unchanged. Then its height must be:

Choices

Choice (4) Response

a.

Doubled

b.

Constant

c.

Halved

d.

Trebled

Question number: 856

» Mathematics » Playing with Numbers

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Question

Which of the following statement is false?

Choices

Choice (4) Response

a.

If a number is divisible by 6, it must be divisible by 3.

b.

If a number is divisible by both 5 and 2, it must be divisible by 10

c.

The sum of two consecutive even numbers is always divisible by 2

d.

None of the above

Question number: 857

» Mathematics » Direct and Inverse Proportions

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Question

If 3.25 m of a pole weighs 5.2 kg, what will be the weight of 1.5 m of the same pole?

Choices

Choice (4) Response

a.

2.4 kg

b.

3 kg

c.

4.6 kg

d.

3.2 kg

Question number: 858

» Mathematics » Direct and Inverse Proportions

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Question

A woman completes of a job in 15 days. At this rate, how many more days will it takes her to finish the job?

Choices

Choice (4) Response

a.

12

b.

5

c.

10

d.

20

Question number: 859

» Mathematics » Playing with Numbers

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Question

Which of the following number is divisible by 11?

Choices

Choice (4) Response

a.

754,345

b.

901,351

c.

2,610,533

d.

None of the above

Question number: 860

» Mathematics » Square and Square Roots

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Question

The square root of is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 861

» Mathematics » Square and Square Roots

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MCQ▾

Question

Which of the following is a Pythagorean triplet?

Choices

Choice (4) Response

a.

(8,15,17)

b.

(5,12,15)

c.

(7,20,21)

d.

Question does not provide sufficient data or is vague

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