If the one third of one fourth of a number is 15, then what is the 3/10 of the number?

Question: If the one third of one fourth of a number is 15, then what is the 3/10 of the number?Solution:Let the number be x.Then,1/3 of 1/4 of x = 15Or, x = 15 × 4 × 3 ∴ x = 180So, required number = (3/10) × 180 = 54