# IMO- Mathematics Olympiad Class 9: Questions 787 - 792 of 919

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## Question number: 787

MCQ▾

### Question

A shopkeeper earns a profit of on selling a book at discount on the printed price. The ratio of the cost price and the printed price of the book is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 788

MCQ▾

Factors of =

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 789

MCQ▾

### Question

If 36 men can do a certain piece of work in 25 days, then 15 men will do it in ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 790

MCQ▾

### Question

The value of =________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 791

MCQ▾

, then

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 792

MCQ▾

### Question

A card is drawn at random from a well shuffled pack of 52 cards. The probability that the cards drawn in neither a red card nor a queen are ________

### Choices

Choice (4) Response

a.

b.

c.

d.

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