NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 988 - 990 of 2000

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Question number: 988

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

A right circular cone of diameter K cm and height 24 cm rests on the base of a right circular cylinder of radius K cm (their bases lie in the same plane, as shown in the figure). The cylinder is filled with water to a height of 24 cm. If the cone is then removed, the height to which water will fall is

Ellipse c Ellipse c: Ellipse with foci A_1, A passing through C Ellipse c_1 Ellipse c_1: Ellipse with foci A_2, A_3 passing through C_1 Segment f Segment f: Segment [A, B] Segment f_1 Segment f_1: Segment [A_1, B_1] Segment g Segment g: Segment [D, E] Segment h Segment h: Segment [F, G] Segment i Segment i: Segment [G, H] K text1 = “K” frac {K} {2} text1_1 = “frac {K} {2} “ frac {K} {2} text1_1 = “frac {K} {2} “ frac {K} {2} text1_1 = “frac {K} {2} “ 24 text1_2 = “24”

Image of Right Circular Cone and Right Circular Cylinder

Representing the image of right circular cone and right circular cylinder

Choices

Choice (4) Response

a.

12 cm

b.

Cannot be determined from given data

c.

20 cm

d.

22 cm

Question number: 989

» Mathematics » Number Systems

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Question

The product of rational and irrational number is always

Choices

Choice (4) Response

a.

Rational

b.

Irrational

c.

Question does not provide sufficient data or is vague

d.

None of the above

Question number: 990

» Biology » Fundamentals Unit of Life

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Question

Golgi bodies were discovered by

Choices

Choice (4) Response

a.

Robert Brown

b.

Camillo Golgi

c.

Mendel

d.

Robert Hook

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