Mensurationeasy · Past Paper
Find the volume of a sphere whose radius is 21 cm.
A38808 cm^3
B9702 cm^3
C19404 cm^3
D4851 cm^3
✓ Correct Answer: A — 38808 cm^3
V = (4/3)*(22/7)*21*21*21 = 88 * 441 = 38808 cm^3.
Share this question
More from Mensuration
- The volume of a cylindrical container is 448π cm³ and its height is 7 cm. Find its curved surface area.
- The ratio of the volumes of two cones is 1:4 and their diameters are in the ratio 4:5. Find the ratio of their heights.
- Find the area of a trapezium whose parallel sides are 25 cm and 13 cm and non-parallel sides are 10 cm each.
- The internal and external diameters of a hollow hemispherical vessel are 24 cm and 25 cm respectively. The cost to paint 1 cm² of the surface is Rs 0.05. Find the volume of material.
- Find the total surface area of a cube whose side length is 5 cm.