NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1045 - 1050 of 1998

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Question 1045

Question MCQ▾

A cone of radius 25 cm is divided into two parts by drawing a plane through the midpoints of its axis, parallel to its base. The ratio of volumes of the two parts formed is ________.

Choices

Choice (4)Response

a.

5: 1

b.

12: 1

c.

1: 7

d.

1: 14

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Question 1046

Question MCQ▾

The sum of 20 numbers is 580. The mean of those numbers is

Choices

Choice (4)Response

a.

21

b.

19

c.

29

d.

58

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Question 1047

Question MCQ▾

A cylindrical vessel of diameter 72 cm has some water in it. A cylindrical iron piece of diameter 12 cm and height 36 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.

6 cm

c.

1 cm

d.

9 cm

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Question 1048

Question MCQ▾

With a bucket of radius 28 cm and height 2 cm, 6 buckets of lime was poured to form a conical heap. If its area is , the canvas required to cover it is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 1049

Question MCQ▾

Which of the following is most accepted membrane model

Choices

Choice (4)Response

a.

Fluid Mosaic model

b.

Unit Membrane model

c.

Sandwich Model

d.

Question does not provide sufficient data or is vague

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Question 1050

Question MCQ▾

The value of the surd is

Choices

Choice (4)Response

a.

b.

8

c.

d.

Edit