# IMO- Mathematics Olympiad Class 9: Questions 343 - 347 of 919

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## Question number: 343

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 344

MCQ▾

### Question

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 number: 345

MCQ▾

### Question

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.

3 cm

b.

2.5 cm

c.

3.5 cm

d.

2.66 cm

## Question number: 346

MCQ▾

### Question

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.

8

b.

9

c.

5

d.

7

## Question number: 347

MCQ▾

### Question

Write the coordinate of each the points J, K, L, M, N and O from the figure

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page