# IMO- Mathematics Olympiad Class 9: Questions 323 - 328 of 919

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## Question number: 323

MCQ▾

### Question

If the purple angle is 40˚ and the yellow one is 30˚ what is the measure of aqua angle?

### Choices

Choice (4) Response

a.

140˚

b.

110˚

c.

120˚

d.

130˚

## Question number: 324

MCQ▾

### Question

What change in percent is made in the area of a rectangle by increasing its length byand breadth by?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 325

MCQ▾

### Question

In the figure, AD is the bisector of of, then ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 326

MCQ▾

### Question

The distance between the points P (5, 3) and Q (5, 6) is calculated as

### Choices

Choice (4) Response

a.

-4

b.

-3

c.

3

d.

4

## Question number: 327

MCQ▾

### Question

If two medians of a triangle are equal, then the triangle is ________

### Choices

Choice (4) Response

a.

Scalene triangle

b.

Equilateral triangle

c.

Right angle triangle

d.

Isosceles triangle

## Question number: 328

MCQ▾

### Question

The base of a prism is a right angle triangle and the two sides containing the right angle are 8 cm and 15 cm. if its height is 20 cm, then the volume of the prism is ________

### Choices

Choice (4) Response

a.

600 c. cm.

b.

1200 c. cm.

c.

300 c. cm.

d.

160 c. cm.

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