IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 490 - 496 of 1042

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Question 490

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Question

MCQ▾

The volume of a cube is 729, its surface area is________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 491

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Question

MCQ▾

A metal sheet 125 cm long, 64 cm broad and 27 cm thick is melted into a cube. The difference between surface areas of two solids is________.

Choices

Choice (4)Response
a.
b.
c.
d.

Question 492

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Question

MCQ▾

can do a piece of work in 15 days and can do alone it in 10 days. B works at it for 6 days and then leaves. alone can finish the remaining work in________.

Choices

Choice (4)Response
a.7.5 days
b.5 days
c.6 days
d.6.5 days

Question 493

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Question

MCQ▾

Which of the following values are equal?

(1) (2) (3) (4)

Choices

Choice (4)Response
a.2 and 3
b.1 and 2
c.1 and 4
d.1 and 3

Question 494

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Question

MCQ▾

If , then the value of is________.

Choices

Choice (4)Response
a.5
b.6
c.9
d.10

Question 495

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Question

MCQ▾

A shopkeeper has just enough money to buy 45 cycles worth Rs. 600.00 each. If each cycle were to cost Rs. 15.00 more, then number of cycles, he will be able to buy with that amount of money, is________.

Choices

Choice (4)Response
a.42
b.40
c.35
d.43

Question 496

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Question

MCQ▾

The value of when is________.

Choices

Choice (4)Response
a.24
b.25
c.21
d.20