IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 769 - 772 of 968

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Question 769

Question

Data Sufficiency▾

What is the volume of cube?

Statements

  1. The height (h) of cube

  2. The surface area of cube is

Choices

Choice (4)Response

a.

Either one of the statements is sufficient.

b.

Only statement Ⅱ is sufficient, while others are not sufficient.

c.

Only statement Ⅰ is sufficient, while others are not sufficient.

d.

All of the statements are sufficient.

Question 770

Question

Data Sufficiency▾

A solid metallic cone is melted and recast into a sphere. What is the height of the cone?

Statements

  1. The radius of the base of the cone is

  2. The radius of sphere is

  3. The length of sphere is

Choices

Choice (4)Response

a.

Either one of the statements is sufficient.

b.

Both statement Ⅰ & statement Ⅱ are sufficient.

c.

None of the statements are sufficient.

d.

Either statement Ⅰ or statement Ⅲ is sufficient.

Question 771

Question

MCQ▾

The area of a square and a circle are same. If area of the square is , the distance covered when 8 rounds are taken round the circle (approximately) , is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 772

Question

MCQ▾

A circle inscribed in having , touching sides at P, Q, R. then is

Triangle ABC

Choices

Choice (4)Response

a.

b.

c.

d.