IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 848 - 852 of 1040

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Question number: 848

» Everyday Mathematics

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Question

Nirav has built a cubical water tank with lid for his house, with each outer edge 1.5 m long. He gets the outer surface of the tank excluding the base, covered with square tiles of side 25 cm. So, how many tiles are required for the tank?

Choices

Choice (4) Response

a.

100

b.

160

c.

120

d.

180

Question number: 849

» Everyday Mathematics

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Question

Pratik bought some packages of pencils. He bought three packages containing 5 pencils and n packages containing 10 pencils each. Which one of the following expression could be used to find the total number of pencils that Pratik bought?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 850

» Everyday Mathematics

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Question

A girl 5 feet casts a shadow 60 inches long. At the same time a telephone pole casts a 300 inches shadow. Which proportions cannot be used to find the height of the telephone pole?

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 851

» Everyday Mathematics

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Question

A vessel contain a mixture of milk and water in the ratio 5: 2. Which of the following ratio is equivalent to 5: 2?

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 852

» Everyday Mathematics

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Question

The age of Mohit and Teena are in ratio 3: 7. After 11 years, their age will be in ratio 5: 7. The age of Teena and Mohit is________.

Choices

Choice (4) Response

a.

10 years, 3 years

b.

11 years, 4.7 years

c.

11 years, 5 years

d.

All of the above