Direct and Inverse Proportions (IMO- Mathematics Olympiad Class 8): Questions 54 - 60 of 62

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Question number: 54

» Direct and Inverse Proportions

MCQ▾

Question

If 14:1x=1x2:116 , then the value of x is________.

Choices

Choice (4) Response

a.

4

b.

10

c.

9

d.

6

Question number: 55

» Direct and Inverse Proportions

MCQ▾

Question

An agent receives a commission of Rs. 25.00 on sales of Rs. 1000.00. The commission he get on sales of Rs. 100.00 is________.

Choices

Choice (4) Response

a.

Rs 2

b.

Rs. 3

c.

Rs 3.5

d.

Rs 2.5

Question number: 56

» Direct and Inverse Proportions

MCQ▾

Question

Pipe A can fill an empty tank in 3 hours while pipe B can empty the full tank in 5 hours. If both are opened in the empty tank, time taken to fill it up completely is ________.

Choices

Choice (4) Response

a.

132 hours

b.

152 hours

c.

112 hours

d.

92 hours

Question number: 57

» Direct and Inverse Proportions

MCQ▾

Question

The ratio which (13ofRs6.33) bears to (1.3of1.55) is________.

Choices

Choice (4) Response

a.

1.04

b.

2.63

c.

2.00

d.

1.00

Question number: 58

» Direct and Inverse Proportions

MCQ▾

Question

A can do a work in 7 days. If B is 75 % more efficient than A, then in how many days can B do the same work?

Choices

Choice (4) Response

a.

3

b.

4

c.

5

d.

3.5

Question number: 59

» Direct and Inverse Proportions

MCQ▾

Question

0.5 of a number equals 0.15 of another number. The ratio of the number is________.

Choices

Choice (4) Response

a.

3: 10

b.

3: 2

c.

10: 3

d.

2: 3

Question number: 60

» Direct and Inverse Proportions

MCQ▾

Question

A sum of money is sufficient to pay As wages for 31 days and Bs wages for 38 days. The same money is sufficient to pay the wages of both for ________.

Choices

Choice (4) Response

a.

12 days

b.

17 days

c.

11 days

d.

10 days

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