# IMO- Mathematics Olympiad Class 9: Questions 243 - 246 of 919

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## Question number: 243

MCQ▾

### Question

A rectangle is divided into four smaller rectangles, as shown in the figure. Three of them have areas, and as indicated. Then the area of the shaded rectangle is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 244

MCQ▾

### Question

C1 is a circle of radius 4 cm, C2 is a circle of radius 12 cm. Jyoti wants the two circles to touch tangentially. She knows that there are two possibilities for the distance between their centers. What are these two distances?

### Choices

Choice (4) Response

a.

8 cm and 10 cm

b.

8 cm and 16 cm

c.

10 cm and 16 cm

d.

13 cm and 4 cm

## Question number: 245

MCQ▾

### Question

In the figure, and, then

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 246

MCQ▾

### Question

A rectangular field has its length and breadth in the ratio. Its area is 3.75 hectares. The cost of fencing it at Rs. 5 per meter is ________

### Choices

Choice (4) Response

a.

Rs. 1000

b.

Rs. 500

c.

Rs. 4000

d.

Rs. 400

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