If one-third of one-fourth of a number is 15, then three-tenth of that number is:

Question: If one-third of one-fourth of a number is 15, then three-tenth of that number is:
[A].

35

[B].

36

[C].

45

[D].

54

Answer: Option D

Explanation:

Let the number be x.

Then,	1	of	1	of x = 15      x = 15 x 3 x 4 = 180.
	3		4

So, required number =		3	x 180		= 54.
		10

Video Explanation: https://youtu.be/z49OUnzTnwY