# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 339 - 344 of 931

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## Question 339

### Question

MCQ▾

In the figure, If and if , then MT will be ________

### Choices

Choice (4)Response

a.

90 cm

b.

30 cm

c.

20 cm

d.

18 cm

## Question 340

### Question

MCQ▾

The altitude drawn to the base of an isosceles triangle is of length 8 cm and the perimeter is 32 cm. the area of the triangle is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 341

### Question

MCQ▾

The distance between the points P (6,6) and Q (2, -2) is calculated as

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 342

### Question

MCQ▾

Write the coordinate of each the points P, Q, R, S and T from the figure

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 343

### Question

MCQ▾

A spherical ball of lead, 3 cm in diameter is melted and recast into three spherical balls. The diameter of two of these is 1.5 cm and 2 cm respectively. The radius of the third ball is________.

### Choices

Choice (4)Response

a.

2.66 cm

b.

3 cm

c.

3.5 cm

d.

2.5 cm

## Question 344

### Question

MCQ▾

The sum of the interior angles of a polygon is three times the sum of its exterior angles. Then number of sides in a polygon is ________.

### Choices

Choice (4)Response

a.

5

b.

7

c.

8

d.

9