NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 622 - 626 of 1998

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Question 622

Question MCQ▾

The edge of a cube is 40 cm. How many small cubes of 10 cm edge can be formed from this cube?

Choices

Choice (4)Response

a.

28

b.

32

c.

64

d.

16

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Question 623

Question MCQ▾

A hollow sphere of internal and external diameters 8 cm and 16 cm respectively is melted into a cone of base diameter 24 cm. Find the height of the cone.

Choices

Choice (4)Response

a.

24.88 cm

b.

21.6 cm

c.

12.44 cm

d.

6.22 cm

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Question 624

Question MCQ▾

The base radius of a cylinder is times its height. The cost of painting its CSA at is ₹ 3.96. The volume of the liquid is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 625

Question MCQ▾

Colloidal solution containing a liquid dispersed in liquid is ________.

Choices

Choice (4)Response

a.

Smoke

b.

Dust

c.

Emulsion

d.

Gels

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Question 626

Question MCQ▾

If A: If the denominator of a rational number has 2 as a prime factor, then that rational number can be expressed as a terminating decimal and R: is a terminating decimal, then which of the following statements is correct?

Choices

Choice (4)Response

a.

A is false and R is an example supporting A

b.

A is true and R is false

c.

A is true and R is an explanation of A

d.

A is false and R is true

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