Direct and Inverse Proportions (IMO- Mathematics Olympiad Class 8): Questions 48 - 53 of 62

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Question number: 48

» Direct and Inverse Proportions

MCQ▾

Question

A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 1: 2: 3. If their total value is Rs. 26, the number of 50 paise coins is ________.

Choices

Choice (4) Response

a.

80

b.

20

c.

30

d.

50

Question number: 49

» Direct and Inverse Proportions

MCQ▾

Question

If Equation , then the value of Equation is________.

Choices

Choice (4) Response

a.

36

b.

35

c.

39

d.

31

Question number: 50

» Direct and Inverse Proportions

MCQ▾

Question

A sum of money is sufficient to pay Equation wages for 15 days and Equation wages for 20 days. The same money is sufficient to pay the wages of both for ________.

Choices

Choice (4) Response

a.

10 days

b.

Equation days

c.

Equation days

d.

8 days

Question number: 51

» Direct and Inverse Proportions

MCQ▾

Question

If 5 men take an hour to dig a ditch, how long should it take 20 men to dig a ditch of the same type?

Choices

Choice (4) Response

a.

14 min

b.

13 min

c.

15 min

d.

21 min

Question number: 52

» Direct and Inverse Proportions

MCQ▾

Question

An agent receives a commission of Rs. 30.00 on sales of Rs. 2500.00. The commission he get on sales of Rs. 1000.00 is________.

Choices

Choice (4) Response

a.

Rs 2.5

b.

Rs 1.2

c.

Rs 2

d.

Rs 3.5

Question number: 53

» Direct and Inverse Proportions

MCQ▾

Question

Pipes A and B can fill a tank in 3 and 4 hours respectively. Pipe C can empty it in 8 hours. If all the three pipes are opened together, then the tank will be filled in:

Choices

Choice (4) Response

a.

Equation hours

b.

Equation hours

c.

Equation hours

d.

Equation hours

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