IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 314 - 320 of 929
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Question number: 314
Question
The volume of the largest circular cone that can be cut of a cube whose edge is 8 cm is ________
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Question number: 315
Question
A circular park of 80 metre diameter has a circular path just inside the boundary of width 8 metre. The area of path is ________
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Question number: 316
Question
Which of the points A (0,3), B (1,0), C (0, -1), D (-5,0), E (1,2) do not lie on the x-axis?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | A and E only | |
b. | B, C, E | |
c. | A, C, E | |
d. | B and D only | |
Question number: 317
Question
If the volumes of two cones are in the ratio 2: 3 and their diameters are in the ratio 3: 7, and then the ratio of their heights is ________
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Question number: 318
Question
The length of canvas 1.2 m wide required building a conical tent of height 14 m and also on the floor of floor area , breadth of canvas is ________
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 490 m | |
b. | 770 m | |
c. | 665 m | |
d. | 860 m | |
Question number: 319
Question
If the altitude of an equilateral triangle is , its area is ________
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Question number: 320
Question
A rectangle with perimeter 44cm is partitioned into 5 congruent rectangles, as indicated in the diagram. The perimeter of each of the congruent rectangle is ________.
A Rectangle with Perimeter 44cm is Partitioned
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 24 cm | |
b. | 48 cm | |
c. | 10 cm | |
d. | 20 cm | |