# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 553 - 561 of 1040

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## Question number: 553

Edit
MCQ▾

### Question

An agent receives a commission of Rs. 50.00 on sales of Rs. 3500.00. The commission he get on sales of Rs. 300.00 is________.

### Choices

Choice (4) Response

a.

Rs 4.00

b.

Rs 4.28

c.

Rs 2.87

d.

Rs 3.50

## Question number: 554

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MCQ▾

### Question

If A: B = 2: 3 and B: C = 3: 5, then C: A is equal to, ________.

### Choices

Choice (4) Response

a.

5: 2

b.

2: 3

c.

5: 4

d.

4: 5

## Question number: 555

Edit
MCQ▾

The value of

### Choices

Choice (4) Response

a.

15

b.

16

c.

17

d.

11

## Question number: 556

Edit
MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

1

b.

4

c.

9

d.

5

## Question number: 557

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MCQ▾

### Question

The value of , is________.

### Choices

Choice (4) Response

a.

3

b.

2

c.

4

d.

5

## Question number: 558

Edit
MCQ▾

### Question

The value of is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 559

Edit
MCQ▾

### Question

If and, then equals

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 560

Edit
MCQ▾

### Question

0.9 of a number equals 0.03 of another number. The ratio of the number is________.

### Choices

Choice (4) Response

a.

3: 20

b.

3: 10

c.

1: 30

d.

10: 3

## Question number: 561

Edit
MCQ▾

### Question

For a group of 24 students food lasts for 35 days. For how many days will the same food last for 30 students?

### Choices

Choice (4) Response

a.

20 days

b.

30 days

c.

28 days

d.

25 days