# Surface Area and Volumes (IMO- Mathematics Olympiad Class 9): Questions 89 - 92 of 104

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## Question number: 89

» Surface Area and Volumes

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: 90

» Surface Area and Volumes

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

## Question number: 91

» Surface Area and Volumes

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?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 92

» Surface Area and Volumes

MCQ▾

### Question

Rectangular plot area is and the length is 22 m. Also perimeter is ________

### Choices

Choice (4) Response

a.

82 m

b.

84 m

c.

83 m

d.

85 m

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