The diameter of a garden roller is 1.4 m and it is 2 m long. How much area it will cover in 5 revolutions?
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The capacity of an open cylindrical tank is 2079 m3 and the diameter of its base is 21m. Find the cost of plastering its inner surface at ₹40 per square metre.
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More Solutions:
- The surface area of a cube is 384 cm2. Find the length of an edge
- The internal dimensions of the rectangular hall are 15 m × 12 m × 4 m.
- The floor of a rectangular hall has a perimeter of 236 m
- The volume of a cuboid is 448 cm3. Its height is 7 cm and the base is a square.
- A rectangular room is 6 m long, 5 m wide and 3·5 m high.
- Three cubes of silver with edges 3 cm, 4 cm and 5 cm are melted and recast into a single cube