# Aptitude - Problems on Numbers - Discussion

Discussion Forum : Problems on Numbers - General Questions (Q.No. 1)
1.
If one-third of one-fourth of a number is 15, then three-tenth of that number is:
35
36
45
54
Answer: Option
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

Discussion:
64 comments Page 1 of 7.

Bijay said:   1 month ago
(1/3*1/4) * x = 15.
X/12 = 15,
X = 15/12,
X = 180,
3/10 = 180,
= 3 * 18,
= 54.

Surya said:   5 months ago
@Vishwak.

In Question: three-tenth becomes 3/10 of that number is 180.

So, 3/10*180 = 54.

Vishwak said:   5 months ago
How 3/10 came?

Jesvin said:   3 years ago
How did 15 come? explain.
(6)

Bhavik said:   3 years ago
Why you have taken 180? Please explain.
(2)

Ramnik said:   4 years ago
I am not understanding. Please explain me.
(2)

Sivakumar k said:   5 years ago
Thanks all for explaining it.
(1)

Saurabh said:   5 years ago
1 / 3 * 1/4 * n = 15.
1/12 *n = 15,
n= 12 *15 = 180,
3/10 * 180 = 54.
(15)

Usha said:   5 years ago
How come 3/10? Please explain.
(1)

Rebecca said:   5 years ago
Why here 3/10 is coming?

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