IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 535 - 540 of 1022

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Question number: 535

» Everyday Mathematics

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MCQ▾

Question

The ratio of boys to girls in a club is 7: 4. There are 21 fewer girls than boys. What is the total number of children in the club?

Choices

Choice (4)Response

a.

84

b.

77

c.

231

d.

49

Question number: 536

» Everyday Mathematics

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MCQ▾

Question

The ratio of girls to boys in a classes is 5: 3. There are 46 fewer boys than girls. What is the total number of children in the classes?

Choices

Choice (4)Response

a.

184

b.

135

c.

115

d.

69

Question number: 537

» Everyday Mathematics

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MCQ▾

Question

A class has 21 students. The ratio of girls to boys is 4: 3. How many girls are there in the class?

Choices

Choice (4)Response

a.

8

b.

7

c.

12

d.

9

Question number: 538

» Everyday Mathematics

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MCQ▾

Question

I and my wife were sitting in a garden. After a while there came two old men followed by two old ladies. They were followed by three couples who were accomplished by two children each. What was the number of total persons present in the garden?

Choices

Choice (4)Response

a.

12

b.

17

c.

15

d.

11

Question number: 539

» Everyday Mathematics

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MCQ▾

Question

Falak can solve 1 mathematical problem in 7 minutes. Then what time she will take to complete similar 12 problems?

Choices

Choice (4)Response

a.

1 hrs 4 min

b.

1 hr 24 min

c.

1 hr 34 min

d.

2 hrs 30 min

Question number: 540

» Everyday Mathematics

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MCQ▾

Question

By selling jeans for Rs. 630 a shopkeeper loses 10%. At what price should he sell the jeans so as to gain 10%?

Choices

Choice (4)Response

a.

Rs. 750

b.

Rs. 275

c.

Rs. 350

d.

Rs. 770

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