IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 501 - 506 of 1022

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Question number: 501

» Everyday Mathematics

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MCQ▾

Question

The ratio of cows to dogs in a city is 8: 5. There are 33 fewer dogs than cows. What is the total number of cows and dogs in the city?

Choices

Choice (4) Response

a.

98

b.

143

c.

214

d.

87

Question number: 502

» Everyday Mathematics

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MCQ▾

Question

A drum of food oil is full. When 12 liters of oil is drawn from it, it is full. The capacity of the drum is ________.

Choices

Choice (4) Response

a.

21 liters

b.

Can’t be determined

c.

18 liters

d.

35 liters

Question number: 503

» Everyday Mathematics

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MCQ▾

Question

There are 7 marbles in a box in which 5 are red and 2 are blue. What is the probability of getting a red marble?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 504

» Everyday Mathematics

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MCQ▾

Question

The cost price of ear-rings is Rs. 5200 and the loss percent is . Find the selling price of the ear-rings.

Choices

Choice (4) Response

a.

Rs. 5850

b.

Rs. 4250

c.

Rs. 3850

d.

Rs. 5540

Question number: 505

» Everyday Mathematics

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MCQ▾

Question

Each of two groups of tourists has 60 people. If of the first group and of the second group board buses to travel to a museum, how many more people of the first group board buses than of the second group?

Choices

Choice (4) Response

a.

40

b.

2

c.

5

d.

4

Question number: 506

» Everyday Mathematics

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MCQ▾

Question

Aman’s mother was 21 years old when his sister was born. His father is 8 years older than his mother. Now Aman is 17 years old and his sister is 3 years older than him. What is the present age of Aman’s father?

Choices

Choice (4) Response

a.

50 years

b.

46 years

c.

49 years

d.

47 years