Question

If one-third of one-fourth of a number is 15, then three-tenth of that number is
1. 34
2. 46
3. 49
4. 54

Answer 1

Correct Answer - Option 4 : 54

Given:

One-third of one-fourth of the number = 15.

Three-tenth of that number = ?

Calculation :

Let, the number is 'n'

then , (1/3) × (1/4) × n = 15

⇒ n/12 = 15 ( cross multiplication )

⇒ n = 180 

Now, 

put the value of n = 180 then, 

 three-tenths of that number will be= (3/10) n 

⇒ (3/10)× 180 = 18 × 3 = 54.

∴ three-tenths of that number is 54.