Direct and Inverse Proportions (IMO Level 1- Mathematics Olympiad (SOF) Class 8): Questions 1 - 6 of 63

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Question number: 1

» Direct and Inverse Proportions

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Question

can do a piece of work in 15 days and can do alone it in 10 days. B works at it for 6 days and then leaves. alone can finish the remaining work in________.

Choices

Choice (4) Response

a.

7.5 days

b.

5 days

c.

6 days

d.

6.5 days

Question number: 2

» Direct and Inverse Proportions

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If , then the value of is________.

Choices

Choice (4) Response

a.

5

b.

6

c.

9

d.

10

Question number: 3

» Direct and Inverse Proportions

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Question

A shopkeeper has just enough money to buy 45 cycles worth Rs. 600.00 each. If each cycle were to cost Rs. 15.00 more, then number of cycles, he will be able to buy with that amount of money, is________.

Choices

Choice (4) Response

a.

42

b.

40

c.

35

d.

44

Question number: 4

» Direct and Inverse Proportions

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Question

A clothing store is able to purchase 20 coats worth Rs. 500.00 each. If each coat were to cost Rs. 50.00 more, then numbers of coats that will be able to buy with that amount of money is________.

Choices

Choice (4) Response

a.

25

b.

18

c.

16

d.

20

Question number: 5

» Direct and Inverse Proportions

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Question

A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 2: 3: 4. If their total value is Rs. 20, the number of 5 paise coins is ________.

Choices

Choice (4) Response

a.

80

b.

70

c.

60

d.

50

Question number: 6

» Direct and Inverse Proportions

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Question

Two numbers are in the ratio 1: 3. If each number is increased by 9, the ratio becomes 3: 5. The numbers are________.

Choices

Choice (4) Response

a.

4.5,13.5

b.

13,14

c.

3.5,14.7

d.

35,25

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