NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 466 - 471 of 2000

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Question number: 466

» Mathematics » Surface Areas & Volumes

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With a bucket of radius 7 cm and height 4 cm, 4 buckets of lime was poured to form a conical heap. If its area is , the canvas required to cover it is ________.

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Choice (4) Response

a.

b.

c.

d.

Question number: 467

» Mathematics » Probability

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Two numbers are chosen from 13 to 21. The probability for the two numbers to be consecutive is

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Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 468

» Mathematics » Surface Areas & Volumes

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From a circle of radius 30 cm a sector with angle is cut out and its bounding radii are bent so as to form a cone. Then its volume is

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Choice (4) Response

a.

b.

c.

d.

Question number: 469

» Mathematics » Probability

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A container contains 7 red and 11 yellow marbles. If a marble is drawn at random, the probability that the drawn marble to yellow is

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Choice (4) Response

a.

b.

c.

d.

Question number: 470

» Mathematics » Heron's Formula

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The base of an isosceles triangle is 24 cm and its perimeter 64 cm. Then its area is

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Choice (4) Response

a.

b.

c.

d.

Question number: 471

» Mathematics » Surface Areas & Volumes

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The lateral surface area of a right circular cylinder with base diameter 28 cm and height 12 cm is

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

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