# IMO- Mathematics Olympiad Class 9: Questions 590 - 594 of 919

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## Question number: 590

MCQ▾

### Question

A and B started a business with initial investments in the ratio and their annual profits were in the ratio. If A invested the money for 10 months, for how many months did B invest his money?

### Choices

Choice (4) Response

a.

6

b.

8

c.

9

d.

7

## Question number: 591

MCQ▾

Factorize

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 592

MCQ▾

### Question

If then is equal to ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 593

MCQ▾

### Question

P and Q started a business with initial investments in the ratio and their annual profits were in the ratio. If P invested the money for 20 months, for how many months did Q invest his money?

### Choices

Choice (4) Response

a.

17

b.

18

c.

19

d.

10

## Question number: 594

MCQ▾

### Question

Riddhi walked 30 m towards north. Then she turned right and walk 40 m. then she turns right and walks 45 m. then she turns left and walks 25 m. finally he turns left and walks 15 m. in which direction and how many metres is she from the starting position?

### Choices

Choice (4) Response

a.

65 m west

b.

65 m east

c.

45 m east

d.

45 m west

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