# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 430 - 433 of 929

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## Question number: 430

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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: 431

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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.

64

b.

100

c.

4

d.

32

## Question number: 432

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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? Given the Corn Cob Somewhat like a ConeGiven the corn cob somewhat like a cone, has the radius of the broadest end as 2.1 cm and length as 20 cm and find how many grains you would find on the entire cob

### Choices

Choice (4)Response

a.

550 grains

b.

670 grains

c.

881 grains

d.

980 grains

## Question number: 433

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MCQ▾

### Question

Points P, Q, R and S divide the sides of rectangle ABCD in the ratio , as shown in the figure. What fraction of area of the rectangle is the area of the parallelogram PQRS? Given the Points P, Q, R and S Divide the Sides of Rectangle ABCDGiven the points P, Q, R and S divide the sides of rectangle ABCD then find the fraction of area of the rectangle is the area of the parallelogram PQRS

### Choices

Choice (4)Response

a.

b.

c.

d.

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