# IMO- Mathematics Olympiad Class 9: Questions 568 - 574 of 919

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## Question number: 568

MCQ▾

### Question

Hussain’s weight is times more than the weight of Rahim. Their total weight is 90 kg. what is Hussain’s weight?

### Choices

Choice (4) Response

a.

90 kg

b.

20 kg

c.

40 kg

d.

50 kg

## Question number: 569

MCQ▾

### Question

Which color is opposite to yellow?

### Choices

Choice (4) Response

a.

Red

b.

Blue

c.

Violet

d.

Purple

## Question number: 570

MCQ▾

### Question

In the number 5904627813 first and sixth digits are interchanged; and similarly the positions of second and seventh digits and so on are interchanged. Which of the following will be the 4th digit from the right after the new arrangement?

### Choices

Choice (4) Response

a.

1

b.

0

c.

9

d.

4

## Question number: 571

MCQ▾

### Question

If then the value of is ________.

### Choices

Choice (4) Response

a.

1

b.

-1

c.

d.

## Question number: 572

MCQ▾

### Question

If , then the value of x is________.

### Choices

Choice (4) Response

a.

6

b.

8

c.

2

d.

4

## Question number: 573

MCQ▾

### Question

and then x = ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 574

MCQ▾

### Question

The difference between a discount of on Rs. 1000 and two successive discounts of on the same amount is ________

### Choices

Choice (4) Response

a.

Rs. 14.56

b.

Rs. 18.40

c.

Rs. 22

d.

Rs. 17.20

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