Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 501 - 507 of 989

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Question 501

Mathematics
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Question

MCQ▾

The area of a rhombus is 96 and one of its diagonal is 12 cm. Its perimeter is

Choices

Choice (4)Response

a.

25 cm

b.

30 cm

c.

40 cm

d.

84 cm

Question 502

Mathematics
Edit

Question

MCQ▾

If , then ________.

Choices

Choice (4)Response

a.

Not a rational number

b.

A natural number

c.

A rational number

d.

An integer

Question 503

Edit

Question

MCQ▾

The radius of a cylinder is halved but its lateral surface area is unchanged. Then its height must be

Choices

Choice (4)Response

a.

Halved

b.

Doubled

c.

Constant

d.

Trebled

Question 504

Mathematics
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Question

MCQ▾

The probability of getting a number less than 5 or an even number in a single throw of a fair die is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 505

Edit

Question

MCQ▾

The height and radius of a cone are 24 cm and 7 cm respectively. Its curved surface area must be is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 506

Mathematics
Edit

Question

MCQ▾

By what rational number should be multiplied to obtain 56?

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 507

Edit

Question

MCQ▾

A cylindrical vessel contains 99.792 liters of liquid. Cost of painting its CSA at 4 paise/sq cm is Rs. 95.04. Then its total surface area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.