Practice30Create account

A cubical water tank has a volume of 1728 cubic metres.
Meera wants to find the length of one side of the tank.
Use prime factorisation of 1728 to find the side length (in metres).

Class 8Cube Root by Prime FactorisationCubes and Roots
  • A11
  • B24
  • C12
  • D13

Step-by-Step Solution

Side = cube root of volume = cube root of 1728. , so side = 12 m.
Answer: C) 12

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 Cube Root by Prime Factorisation practice questions

More Class 8 Cube Root by Prime Factorisation practice

A factory in Pune packs 2197 small soap cubes into one big cubical carton with no empty…The number 1080 is NOT a perfect cube. Its prime factorisation is 2^3 x 3^3 x 5. What is…A number is 2^3 x 3^3 x 5^3 x 7. By what smallest number should it be DIVIDED so that…Sita has 392 unit cubes. The prime factorisation of 392 is 2^3 x 7^2. By what smallest…The number 2025 is multiplied by the smallest number that makes it a perfect cube. Given…