# IMO- Mathematics Olympiad Class 9: Questions 288 - 293 of 919

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

## Question number: 288

MCQ▾

### Question

The volume of a sphere is the curved surface of its sphere is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 289

MCQ▾

### Question

The area of trapezium ABCD is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 290

MCQ▾

### Question

is a point, which belongs to the line________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 291

MCQ▾

### Question

If the coordinate of the two points are P (4, -5) and Q (-2, 3) then ________

### Choices

Choice (4) Response

a.

-2

b.

-3

c.

-5

d.

-4

## Question number: 292

MCQ▾

### Question

The radii of two cones are in ration 3: 1, their volumes are equal. Find the ratio of their heights.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 293

MCQ▾

### Question

A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of a the cone is h. If the total volume of the solid is three times the volume of the cone, then the height of the cylinder is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page