# IMO- Mathematics Olympiad (SOF) Class 9: Questions 218 - 221 of 919

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## Question number: 218

MCQ▾

### Question

Triangle PAB is formed by three tangents to circle with center O and, then angle ACB equals ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 219

MCQ▾

### Question

An exterior angle of a triangle is and the measure of the two remote interior angles are 25 degree and degree. x = ________.

### Choices

Choice (4) Response

a.

25

b.

20

c.

24

d.

29

## Question number: 220

MCQ▾

### Question

The number of spherical bullets each 0.6 cm in diameter be made out of a rectangular solid is ________

### Choices

Choice (4) Response

a.

10200

b.

10500

c.

10550

d.

10250

## Question number: 221

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.

f Page