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?

 Given the corn cob somewhat like a cone

Given the Corn Cob Somewhat Like a Cone

Given 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.

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 1:2 , 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 ABCD

Given the Points P, Q, R and S Divide the Sides of Rectangle ABCD

Given 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.

49

b.

25

c.

59

d.

35

Question number: 92

» Surface Area and Volumes

MCQ▾

Question

Rectangular plot area is 440m2 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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