Ratio and Proportion (IMO Level 1- Mathematics Olympiad (SOF) Class 6): Questions 1 - 7 of 80

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Question number: 1

» Ratio and Proportion

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MCQ▾

Question

A bus travels 126 km in 3 hours and a train travels 315 km in 5 hours. The ratio of their speeds is

Choices

Choice (4) Response

a.

1: 3

b.

126: 315

c.

3: 5

d.

2: 3

Question number: 2

» Ratio and Proportion

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MCQ▾

Question

In a quiz program, the ratio of correct answers to incorrect answers is 5: 2. If 16 incorrect answers are given, then the number of correct answers given is

Choices

Choice (4) Response

a.

80

b.

30

c.

20

d.

40

Question number: 3

» Ratio and Proportion

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MCQ▾

Question

If 12 men can do a piece of work in 18 days, in how many days will 8 men complete it?

Choices

Choice (4) Response

a.

10 days

b.

days

c.

27 days

d.

12 days

Question number: 4

» Ratio and Proportion

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MCQ▾

Question

What number should be added to each of the numbers 22,46,34 and 70 so that the remainders may be proportional?

Choices

Choice (4) Response

a.

3

b.

1

c.

2

d.

6

Question number: 5

» Ratio and Proportion

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MCQ▾

Question

Cost of a toffee is 50 paisa and cost of a chocolate is Rs. 10, then the ratio of the cost of a toffee to the cost of a chocolate is

Choices

Choice (4) Response

a.

1: 5

b.

5: 1

c.

1: 20

d.

20: 1

Question number: 6

» Ratio and Proportion

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MCQ▾

Question

What number should be subtracted from each of the numbers 45,67,53 and 79 so that the remainders may be proportional?

Choices

Choice (4) Response

a.

3

b.

1

c.

6

d.

2

Question number: 7

» Ratio and Proportion

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MCQ▾

Question

A’s money is to B’s money as 4: 5 and B’s money is to C’s money as 2: 3. If A has Rs. 800, C has

Choices

Choice (4) Response

a.

Rs. 1500

b.

Rs. 2000

c.

Rs. 1200

d.

Rs. 1000

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