Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 740 - 746 of 989

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Question 740

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Question

MCQ▾

The radius of a sphere is increased by X%. Its surface area increased by

Choices

Choice (4)Response

a.

b.

c.

d.

Question 741

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Question

MCQ▾

The distance of the point from the origin is

Choices

Choice (4)Response

a.

units

b.

units

c.

Both a. and b. are correct

d.

None of the above

Question 742

Mathematics
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Question

MCQ▾

Which of the following rational numbers is in the standard form?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question 743

Mathematics
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Question

MCQ▾

The sides of a triangle are in the ratio of 14: 15: 16 and its perimeter is 90 cm. Then the area of the triangle is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 744

Mathematics
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Question

MCQ▾

When two dice are thrown, the probability of getting a number always greater than 2 on the second dice is

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question 745

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Question

MCQ▾

A top is of the shape of a cone over a hemisphere. The radius of the hemisphere is 28 cm. The total height of the top is 124 cm. The total area of top is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question 746

Mathematics
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Question

MCQ▾

If then t equals to

Choices

Choice (4)Response

a.

b.

c.

d.