Practice30Create account

A cube of edge 12 cm is cut into 8 equal smaller cubes of edge 6 cm.
By what factor does the total surface area of all the pieces compare to the original cube's surface area?

Class 8Surface Area of Cuboid and CubeMensuration
  • A2 times
  • B4 times
  • C8 times
  • D1.5 times

Step-by-Step Solution

Original TSA = . Each small cube = ; 8 cubes = 1728. Ratio = times.
Answer: A) 2 times

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Surface Area of Cuboid and Cube practice questions

More Class 8 Surface Area of Cuboid and Cube practice

Ravi has 1 litre of paint that covers 18 sq m of surface. He wants to paint the outer…A cuboidal block has a square base of side 6 cm and a height of 10 cm. Find its total…Three identical cubes of edge 3 cm are joined in a row to form a cuboid. Find the total…A closed wooden box has outer dimensions 30 cm x 25 cm x 20 cm. Find the total cost of…The total surface area of a cuboid is 376 sq cm. Its length is 10 cm and breadth is 6…