Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 811 - 818 of 989

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Question number: 811

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Question

MCQ▾

The dimensions of a hall are 20 m, 12.5 m, 10 m. If each person requires 100 cubic meter, then the number of persons who can be accommodated in the hall are

Choices

Choice (4)Response

a.

120

b.

100

c.

25

d.

50

Question number: 812

Mathematics
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Question

MCQ▾

If then is

Choices

Choice (4)Response

a.

b.

8

c.

16

d.

12

Question number: 813

Mathematics
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Question

MCQ▾

If then a = ________.

Choices

Choice (4)Response

a.

-2

b.

2

c.

40

d.

All of the above

Question number: 814

Mathematics
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Question

MCQ▾

The irrational number between 5 and 6 is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 815

Mathematics
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Question

MCQ▾

The perimeter of a rhombus is 32 cm and one of its diagonals is 12 cm. The length of the other diagonal is

Choices

Choice (4)Response

a.

42.66 cm

b.

20 cm

c.

44 cm

d.

21.33 cm

Question number: 816

Mathematics
Edit

Question

MCQ▾

The sides of a triangle are 14 cm, 48 cm and 50 cm. The altitude to middle length side is

Choices

Choice (4)Response

a.

28 cm

b.

25 cm

c.

24 cm

d.

14 cm

Question number: 817

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Question

MCQ▾

The largest volume of a cube that can be enclosed in a sphere of diameter 4 cm is (in )

Choices

Choice (4)Response

a.

b.

2

c.

d.

π

Question number: 818

Mathematics
Edit

Question

MCQ▾

If 9,11,5 and 3 occur with frequencies 2,5, 1 and 6 respectively, then the arithmetic mean is

Choices

Choice (4)Response

a.

6.6

b.

2.3

c.

6.86

d.

10