Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 841 - 847 of 989

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Question number: 841

Mathematics
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Question

MCQ▾

When two dice are thrown, the probability of getting a number always greater than 3 on the second dice is

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 842

Mathematics
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Question

MCQ▾

The mean of 20 numbers is 40. If 2 is added to each of the first ten numbers, then the mean of the new set of 20 numbers is

Choices

Choice (4)Response

a.

41

b.

35.5

c.

21

d.

20.5

Question number: 843

Mathematics
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Question

MCQ▾

The length of the hypotenuse of a right angled triangle whose two sides measure 8 cm and 0.15 m is

Choices

Choice (4)Response

a.

8.15 cm

b.

0.23 cm

c.

17 cm

d.

15 cm

Question number: 844

Mathematics
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Question

MCQ▾

An isosceles triangle can be obtuse angled.

Choices

Choice (4)Response

a.

True

b.

Cannot be determined

c.

False

d.

None of the above

Question number: 845

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Question

MCQ▾

A hemispherical bowl is made of steel of 0.2 cm thickness. The inner radius of the bowl is 15 cm. The volume of steel used is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 846

Mathematics
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Question

MCQ▾

The ascending order of the following surds is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 847

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Question

MCQ▾

A cylindrical vessel of diameter 18 cm has some water in it. A cylindrical iron piece of diameter 6 cm and height 3 cm is dropped in it. After it was completely immersed, the raise in the level of water is ________.

Choices

Choice (4)Response

a.

3 cm

b.

0.33 cm

c.

0.66 cm

d.

9 cm