# IMO- Mathematics Olympiad Class 9: Questions 425 - 429 of 919

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## Question number: 425

MCQ▾

### Question

A line passed through the point (3, 6) and has gradient . Find the y-coordinate of a point on the line when x = 11.

### Choices

Choice (4) Response

a.

13

b.

12

c.

14

d.

15

## Question number: 426

MCQ▾

### Question

In a, the medians AD, BE and CF meet at G, then ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 427

MCQ▾

### Question

Volume of a hemisphere is 14564 cubic cm. The total surface area is ________

### Choices

Choice (4) Response

a.

4525.12 sq. cm

b.

1215.15 sq. cm

c.

6545.25 sq. cm

d.

3432.44 sq. cm

## Question number: 428

MCQ▾

### Question

A circular park of 60 metre diameter has a circular path just inside the boundary of width 3 metre. The area of path is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 429

MCQ▾

### Question

Volume of a hemisphere is 27500 cubic cm. The total surface area is ________.

### Choices

Choice (4) Response

a.

4158.45 sq. cm

b.

5246.89 sq. cm

c.

6548.23 sq. cm

d.

9584.12 sq. cm

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