NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 1099 - 1104 of 2000

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Question number: 1099

» Mathematics » Surface Areas & Volumes

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Question

The area of the base of a cone is sq cm. Its height is 12 cm. Then its total surface area is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1100

» Chemistry » The Nature of Matter

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The presence of colloidal particles of dust in air imparts blue colour to the sky. This is due to ________.

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Choice (4) Response

a.

Reflection of light

b.

Absorption of light

c.

Scattering of light

d.

Question does not provide sufficient data or is vague

Question number: 1101

» Mathematics » Polynomials

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If , then is:

Choices

Choice (4) Response

a.

b.

3pqr

c.

d.

Question number: 1102

» Mathematics » Surface Areas & Volumes

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A circus tent is in the form of a cone over a cylinder. The diameter of the base is 14 m, the height of cylindrical part is 8 m and the total height of the tent is 32 m. The canvas required for the tent is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1103

» Mathematics » Surface Areas & Volumes

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The cost of painting the TSA of cone at is Rs. 17.6. The volume of the cone its slant height being 25 cm is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1104

» Mathematics » Heron's Formula

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In a quadrilateral the sides are 12,35,18,39 units and the angle between first sides is a right angle. The area of quadrilateral is

Choices

Choice (4) Response

a.

b.

c.

d.

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