# IMO- Mathematics Olympiad Class 9: Questions 840 - 845 of 919

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## Question number: 840

MCQ▾

### Question

A fan is listed at Rs. 650, with a discount of what additional discount must be offered to the customer to bring the net price to Rs. 452?

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 841

MCQ▾

### Question

Two dice are thrown simultaneously, the odds in favour of getting the sum 5 is________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 842

MCQ▾

### Question

B is the brother of R. J is sister of R. A is brother of B. How is R related to A?

### Choices

Choice (4) Response

a.

Brother

b.

Sister

c.

Brother or Sister

d.

None of the above

## Question number: 843

MCQ▾

### Question

If and , then value of is________.

### Choices

Choice (4) Response

a.

770

b.

115

c.

227

d.

555

## Question number: 844

MCQ▾

### Question

The median of the observation 2, 1, 12, 29, 25, 12, 10, 4, 5 is ________

### Choices

Choice (4) Response

a.

12

b.

25

c.

15

d.

10

## Question number: 845

MCQ▾

### Question

A man purchased two clocks P and Q at a total cost Rs. 800. He sells P at profit and Q at a loss of and gets the same selling price for both the clocks. What are the purchasing prices of P and Q respectively?

### Choices

Choice (4) Response

a.

Rs. 275, Rs. 425

b.

Rs. 266.67, Rs. 533.33

c.

Rs. 250.65, Rs. 200.22

d.

Rs. 360, Rs. 850

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