IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 439 - 444 of 1040
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Question number: 439
Question
A child walked 13 m to cross a rectangular field diagonally. If breadth of field is 5 m, its length is________.
Choices
| Choice (4) | Response | |
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| a. | 20 m |
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| b. | 12 m |
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| c. | 11 m |
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| d. | 15 m |
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Question number: 440
Question
The perimeter of a trapezoid is 80 cm and its non-parallel sides are each equal to 17 cm and its altitude is 15 cm. Its area is________.
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Question number: 441
Question
The radii of the bases of two cylinders are in the ratio of 2: 3 respectively and their heights are in the ratio 1: 2 respectively, find the ratio of their volumes.
Choices
| Choice (4) | Response | |
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| a. | 3: 4 |
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| b. | 1: 3 |
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| c. | 3: 2 |
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| d. | 2: 3 |
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Question number: 442
Question
Three solid cubes of sides 3 cm, 4 cm and 5 cm are melted to form a new cube. Find the surface area of the cube so formed.
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Question number: 443
Question
Between a square of perimeter 64 cm and a circle of circumference 64 cm, which figure has larger area and by how much?
Choices
| Choice (4) | Response | |
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| a. | Circle, 60 |
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| b. | Circle, 70 |
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| c. | Square, 70 |
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| d. | Question does not provide sufficient data or is vague |
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Question number: 444
Question
A square garden measuring 5 m on a side is surrounded by a 1 m wide path. What is the area of the path?
A Square Garden with 5 M Side Surrounded by 1 M Wide Path
Find out area of a path of a square garden using given measure
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