# Ratio and Proportion (IMO- Mathematics Olympiad (SOF) Class 6): Questions 65 - 70 of 80

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## Question number: 65

» Ratio and Proportion

MCQ▾

### Question

In an exam, the ratio of marks of mathematics to marks of science is 7: 9. If marks of science is 90, then the marks of mathematics is

### Choices

Choice (4) Response

a.

70

b.

80

c.

75

d.

71

## Question number: 66

» Ratio and Proportion

MCQ▾

### Question

A’s money is to B’s money as 2: 3 and B’s money is to C’s money as 5: 7. If A has Rs. 1200, C has

### Choices

Choice (4) Response

a.

Rs. 2520

b.

Rs. 2400

c.

Rs. 1890

d.

Rs. 2350

## Question number: 67

» Ratio and Proportion

MCQ▾

### Question

The prices of scooter and a television set are in the ratio 3: 2. If a scooter costs Rs. 6000 more than the television set, the price of the television set is

### Choices

Choice (4) Response

a.

Rs. 10000

b.

Rs. 6000

c.

Rs. 18000

d.

Rs. 12000

## Question number: 68

» Ratio and Proportion

MCQ▾

### Question

Divide into three parts such that 2 times the first part, 3 times the second part and 4 times the third part are equal.

### Choices

Choice (4) Response

a.

236,124,268

b.

336,224,168

c.

363,242,186

d.

636,424,199

## Question number: 69

» Ratio and Proportion

MCQ▾

### Question

Divide into three parts such that 3 times the first part, 6 times the second part and 9 times the third part are equal.

### Choices

Choice (4) Response

a.

4258,1329,643

b.

5328,6129,543

c.

2385,6192,453

d.

3258,1629,543

## Question number: 70

» Ratio and Proportion

MCQ▾

### Question

A liter of kerosene oil weighs 0.819 kg and 10 liters of petrol weigh 7.02 kg, then the ratio of the weight of kerosene oil and petrol per liter is

### Choices

Choice (4) Response

a.

6: 7

b.

7: 6

c.

7: 5

d.

5: 7

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