# IMO- Mathematics Olympiad Class 9: Questions 799 - 805 of 919

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## Question number: 799

MCQ▾

### Question

Two coins are tossed simultaneously. The probability of getting at two head is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

0

## Question number: 800

MCQ▾

### Question

In a class, the number of boys is more than the number of girls by of the total strength. The ratio of boys to girls is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

11: 14

## Question number: 801

MCQ▾

### Question

Suraj’s weight is 4 times more than the weight of Rahul. Their total weight is 110 kg. What is Rahul’s weight?

### Choices

Choice (4) Response

a.

22 kg

b.

92 kg

c.

42 kg

d.

52 kg

## Question number: 802

MCQ▾

If , then =

### Choices

Choice (4) Response

a.

2

b.

0

c.

3

d.

1

## Question number: 803

MCQ▾

### Question

The number of values of k for which the system of equations, has atleast one solution is ________.

### Choices

Choice (4) Response

a.

3

b.

2

c.

1

d.

0

## Question number: 804

MCQ▾

### Question

Coffee worth Rs. 140 per kg and Rs. 160 per kg are mixed with a third variety in the ratio. If the mixture is worth Rs. 180 per kg, the price of the third variety per kg will be

### Choices

Choice (4) Response

a.

Rs. 220

b.

Rs. 240

c.

Rs. 230

d.

Rs. 210

## Question number: 805

MCQ▾

### Question

A rectangular park 60 m long and 40 m wide has concreate crossroads running in the middle of the park and rest of the park has been used as a lawn. If the area of the lawn is 2109 sq. m, then what is the width of the road?

### Choices

Choice (4) Response

a.

6 m

b.

3 m

c.

4 m

d.

5 m

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