IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 521 - 525 of 1022

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Question number: 521

» Everyday Mathematics

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Question

Two equal containers are filled with a mixture of milk and water. The concentration of milk in each of the containers is 20 % and 25 % respectively. What is ratio of water in both the containers respectively?

Choices

Choice (4)Response

a.

5: 4

b.

16: 15

c.

15: 16

d.

4: 5

Question number: 522

» Everyday Mathematics

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Question

There is 25 liters oil in red container and 35 more liters oil in black container. What is the ratio of oil in black container to the total liters of oil in both containers?

Choices

Choice (4)Response

a.

19: 14

b.

15: 9

c.

9: 14

d.

14: 19

Question number: 523

» Everyday Mathematics

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Question

The cost price of a pair of sandal is Rs. 3600 and the profit percent is . Find the selling price of the watch.

Choices

Choice (4)Response

a.

Rs. 4510

b.

Rs. 5200

c.

Rs. 4450

d.

Rs. 3420

Question number: 524

» Everyday Mathematics

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Question

The total cost of 3 tables and 2 chairs is Rs. 745. If one table costs Rs. 40 more than one chair, find the price of each table and chair respectively.

Choices

Choice (4)Response

a.

Rs. 120, Rs. 80

b.

Rs. 160, Rs. 120

c.

Rs. 200, Rs. 160

d.

Rs. 165, Rs. 125

Question number: 525

» Everyday Mathematics

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MCQ▾

Question

Mahi uses 120 pearls to make 5 necklaces. How many of the same type of necklaces can Mahi make with 360 pearls?

Choices

Choice (4)Response

a.

15

b.

60

c.

240

d.

12

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