# IMO- Mathematics Olympiad Class 9: Questions 430 - 434 of 919

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## Question number: 430

MCQ▾

### Question

In the figure , and . Then K equals ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 431

MCQ▾

### Question

In the given figure, AD is the bisector of and. Then, are congruent by which criterion?

### Choices

Choice (4) Response

a.

SAS

b.

AAA

c.

ASA

d.

All of the above

## Question number: 432

MCQ▾

### Question

A cylinder and a cone have the same height and same radius of the base. The ratio between the volumes of the cylinder and the cone is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 433

MCQ▾

### Question

The edge of a cube is 20 cm. how many small cubes of 5 cm edge can be formed from this cube?

### Choices

Choice (4) Response

a.

32

b.

64

c.

100

d.

4

## Question number: 434

MCQ▾

### Question

A corn cob somewhat like a cone, has the radius of the broadest end as 2.1 cm and length as 20 cm. If each 1 cm 2 of the surface of the cob carries an average of 3 grains, find how many grains you would find on the entire cob?

### Choices

Choice (4) Response

a.

670 grains

b.

881 grains

c.

980 grains

d.

550 grains

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