Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 864 - 871 of 989

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Question number: 864

Mathematics
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Question

MCQ▾

The perimeter of a rhombus is 96 cm and one of its diagonals is 36 cm. The length of the other diagonal is

Choices

Choice (4)Response

a.

64 cm,

b.

32 cm,

c.

32 cm,

d.

64 cm,

Question number: 865

Mathematics
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Question

MCQ▾

If ‘n’ is an irrational number then ‘3n’ is ________.

Choices

Choice (4)Response

a.

A rational number

b.

An irrational number

c.

A natural number

d.

A whole number

Question number: 866

Mathematics
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Question

MCQ▾

The arithmetic mean of nine given numbers is 16. Their sum is

Choices

Choice (4)Response

a.

72

b.

More than 144

c.

Between 72 and 144

d.

144

Question number: 867

Mathematics
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Question

MCQ▾

In a throw of a dice, the probability of getting a prime number is

Choices

Choice (4)Response

a.

6

b.

c.

2

d.

Question number: 868

Mathematics
Edit

Question

MCQ▾

Which of the following is a rational number (s)?

Choices

Choice (4)Response

a.

b.

c.

d.

All a. , b. and c. are correct

Question number: 869

Mathematics
Edit

Question

MCQ▾

The sides of a triangle are 12 cm, 16 cm and 20 cm. The altitude to shortest side is

Choices

Choice (4)Response

a.

28 cm

b.

36 cm

c.

32 cm

d.

16 cm

Question number: 870

Edit

Question

MCQ▾

The largest sphere is cut off from a cube of side 6 cm. The volume of the sphere will be:

Choices

Choice (4)Response

a.

b.

c.

d.

108

Question number: 871

Mathematics
Edit

Question

MCQ▾

Which of the following is a pure surd?

Choices

Choice (4)Response

a.

b.

c.

d.