IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 826 - 829 of 968

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Question number: 826

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MCQ▾

Question

A cylindrical vessel of height and as the radius of the base, is filled with sand. This bucket is emptied on the ground and a conical heap of sand is formed. If the height of the conical heap is the radius of its base is________.

Choices

Choice (4)Response

a.

b.

23.76 cm

c.

d.

28.76 cm

Question number: 827

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MCQ▾

Question

If the radii of the circular ends of a bucket of height are of lengths and , then the volume of the bucket in cubic centimeters, is________.

Choices

Choice (4)Response

a.

60060

b.

70040

c.

80160

d.

56980

Question number: 828

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MCQ▾

Question

A man runs around a circle of radius at a speed of The time taken by him for going around it fifteen times is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 829

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MCQ▾

Question

In the given figure, ABCD is cyclic quadrilateral and EF is tangent to the circle with center ‘G’. AC is diameter, the ________.

Choices

Choice (4)Response

a.

b.

c.

d.

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