IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 478 - 484 of 1042
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Question 478
Question
MCQ▾The ratio of radii of two cylinders is 1: and heights are in the ratio 3: 2. The ratio of their volume is________.
Choices
Choice (4) | Response | |
---|---|---|
a. | 3: 4 | |
b. | 2: 3 | |
c. | 1: 4 | |
d. | 1: 2 |
Question 479
Question
MCQ▾The surface areas of the six faces of a rectangular solid are 6, 6, 8,8, 12 and 12 square centimeters. The volume of the solid, in cubic centimeters is________.
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 480
Question
MCQ▾Surface area of a cube with edge = 2 cm is________.
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 481
Question
MCQ▾Find the surface area of a cylinder with diameter of base 6 cm and height 40 cm.
Choices
Choice (4) | Response | |
---|---|---|
a. | 1261 | |
b. | 1263 | |
c. | 1262 | |
d. | 1200 |
Question 482
Question
MCQ▾A square garden measuring 6 m on a side is surrounded by a 1.5 m wide path. What is the area of the path?
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 483
Question
MCQ▾A cylindrical tower is 5 meters in diameter and 10 meters height. The cost of white washing its curved surface at 25 paisa per is
Choices
Choice (4) | Response | |
---|---|---|
a. | 40 | |
b. | 24 | |
c. | 37 | |
d. | 39 |
Question 484
Question
MCQ▾The surface areas of the six faces of a rectangular solid are 1, 1, 9,9, 25 and 25 square centimeters. The volume of the solid, in cubic centimeters is________.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |