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- Subject
- Volumesmathematics-mcqs › volumes
- Published
- 12 Jul 2019
- Last updated
- 28 May 2026
Explanation
First, calculate the volume of the wall: 25 m × 2 m × 0.75 m = 37.5 cubic meters. Convert brick dimensions to meters: 0.20 m × 0.10 m × 0.075 m = 0.0015 cubic meters per brick. Divide the wall volume by the brick volume: 37.5 ÷ 0.0015 = 25,000 bricks required.
More Volumes MCQs
Practice related questions from the same subject.
- 1.What is the radius of a sphere if its volume and surface area have the same numerical value?
- 2.A right circular cylinder and a right circular cone share the same radius and volume. What is the ratio of the cylinder's height to the cone's height?
- 3.A sphere and a right circular cylinder have identical radii, and their volumes are equal. What is the height of the cylinder in terms of its radius?
- 4.How many solid spheres with a diameter of 6 cm can be formed by melting a solid metal cylinder measuring 45 cm in height and 4 cm in diameter?
- 5.What is the length of a wire with a radius of 0.2 mm that can be formed by melting a solid copper sphere with a diameter of 18 cm?
- 6.If the radius of a wire is reduced to one-third of its original size while keeping the volume constant, by what factor will its length change?
- 7.If the volumes of two cubes are in the ratio 8 to 1, what is the ratio of their side lengths?
- 8.A metal sheet measuring 27 cm in length, 8 cm in width, and 1 cm in thickness is melted and reshaped into a cube. What is the difference between the surface areas of the original sheet and the resulting cube?
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