NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 830 - 837 of 2000

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Question number: 830

» Mathematics » Statistics

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MCQ▾

Question

The average of P & Q is 34, Q & R is 41, R & P is 18. Then the average of P, Q & R [approximately] is

Choices

Choice (4)Response

a.

52

b.

41

c.

31

d.

59

Question number: 831

» Mathematics » Statistics

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MCQ▾

Question

The mean of and is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 832

» Mathematics » Number Systems

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MCQ▾

Question

The rational denominator of the surd is

Choices

Choice (4)Response

a.

b.

c.

5

d.

25

Question number: 833

» Mathematics » Statistics

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MCQ▾

Question

The mean of first six prime numbers is

Choices

Choice (4)Response

a.

6.21

b.

6

c.

8

d.

6.83

Question number: 834

» Mathematics » Constructions

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MCQ▾

Question

In a if , , then perimeter of the triangle is

Choices

Choice (4)Response

a.

39 cm

b.

57 cm

c.

114 cm

d.

Question does not provide sufficient data or is vague

Question number: 835

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

A circus tent is in the form of a cone over a cylinder. The diameter of the base is 10 m, the height of cylindrical part is 6 m and the total height of the tent is 18 m. The canvas required for the tent is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 836

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

A cuboidal metal of dimensions was melted and cast into a cylinder of height 14 cm. Its radius is ________.

Choices

Choice (4)Response

a.

15.5 cm

b.

13 cm

c.

cm

d.

None of the above

Question number: 837

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following can absorb large volume of hydrogen gas?

Choices

Choice (4)Response

a.

Finely divided platinum

b.

Colloidal ferric hydroxide

c.

Colloidal solution of palladium

d.

Finely divided nickel

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