# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 781 - 787 of 931

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## Question 781

### Question

MCQ▾

The simple interest on a sum of money at per annum for 6 years is half the sum. The sum is ________

### Choices

Choice (4)Response

a.

₹ 8000

b.

₹ 6000

c.

d.

₹ 4800

## Question 782

### Question

MCQ▾

Given that is a solution of . The other solutions are ________.

### Choices

Choice (4)Response

a.

b.

c.

5

d.

## Question 783

### Question

MCQ▾

Cards marked with the numbers 2 to 101 are placed in a box and mixed thoroughly. One card is drawn from this bag. The probability that the number which is a perfect square is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 784

### Question

MCQ▾

If a point R lies between two points P and Q such that PR = QR, then PR = ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 785

### Question

MCQ▾

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.

Question does not provide sufficient data or is vague

## Question 786

MCQ▾

Factors of =

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 787

### Question

MCQ▾

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.