NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1030 - 1037 of 1998

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Question 1030

Question MCQ▾

The total surface area of a cylinder is 330 sq cm with height 5.5 cm. Then its volume is

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 1031

Question MCQ▾

The perimeter of a rhombus is 96 cm and one of its diagonals is 36 cm. The length of the other diagonal is

Choices

Choice (4)Response

a.

64 cm,

b.

32 cm,

c.

32 cm,

d.

64 cm,

Edit

Question 1032

Question MCQ▾

If ‘n’ is an irrational number then ‘3n’ is ________.

Choices

Choice (4)Response

a.

A rational number

b.

An irrational number

c.

A natural number

d.

A whole number

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Question 1033

Question MCQ▾

The arithmetic mean of nine given numbers is 16. Their sum is

Choices

Choice (4)Response

a.

72

b.

More than 144

c.

Between 72 and 144

d.

144

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Question 1034

Question MCQ▾

In a throw of a dice, the probability of getting a prime number is

Choices

Choice (4)Response

a.

6

b.

c.

2

d.

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Question 1035

Question MCQ▾

Bacteriophages are viruses that infect

Choices

Choice (4)Response

a.

Fungi

b.

Yeast

c.

Bacteria

d.

Virus

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Question 1036

Question MCQ▾

Which of the following is a rational number (s) ?

Choices

Choice (4)Response

a.

b.

c.

d.

All a., b. and c. are correct

Edit

Question 1037

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

Edit