Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 869 - 875 of 989

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Question 869

Mathematics
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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 870

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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 871

Mathematics
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Question

MCQ▾

Which of the following is a pure surd?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 872

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Question

MCQ▾

A cylindrical vessel of diameter 9 cm is partly filled with water. 200 lead balls are dropped in it. The raise in water level is 0.6 cm. The diameter of each ball is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 873

Mathematics
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Question

MCQ▾

The probability of getting a number greater than 3 or an odd number in a single throw of a fair die is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 874

Mathematics
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Question

MCQ▾

The top of a broken tree touches the ground at a distance of 40 m from its base. If the tree is broken at a height of 9 m from the ground, then the actual height of the tree is

Choices

Choice (4)Response

a.

90 m

b.

81 m

c.

49 m

d.

50 m

Question 875

Mathematics
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Question

MCQ▾

What is the percentage of least number in the greatest number if are arranged in ascending or descending order?

Choices

Choice (4)Response

a.

40%

b.

c.

35%

d.