[Assistant Superintendent of Jails 2021]

6. A cuboidal water tank contains 216 litres of water. Its depth is 1/3 of its length and breadth is 1/2 of 1/3 of difference between length and depth. What is the length of tank?

1. 2 dm

2. 6 dm

3. 18 dm

4. 72 dm

Correct Answer :

18 dm