IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 429 - 433 of 930
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Question 429
Question MCQ▾
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 ________
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Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 430
Question MCQ▾
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 | |
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a. | 64 | |
b. | 100 | |
c. | 4 | |
d. | 32 |
Question 431
Question MCQ▾
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 cm2 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 | |
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a. | 550 grains | |
b. | 670 grains | |
c. | 881 grains | |
d. | 980 grains |
Question 432
Question MCQ▾
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?
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Choice (4) | Response | |
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b. | ||
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d. |
Question 433
Question MCQ▾
ABCD is a square of side length 1. EFGH are the points on AE = EB, 2BF = FC, 3CG = GD, 4DH = HA then what is the area of the quadrilateral EFGH?
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Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |