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:
69 comments Page 3 of 7.

Akash said:   1 decade ago
@shiva! 12 used dere because 1/4*1/3=1/12.
(1)

Indhu said:   2 decades ago
it is easy to understand and it was the clear in question
(1)

ARIKALA SRIHARI said:   1 year ago
The question said 1/3 of 1/4 of x is 15.

To get x we need to increase 15 by 4 times, we get 60, and then we need to increase 60 by 3 times to get x.
(1)

Myraya said:   9 years ago
Thank you very much for all the explanation.

Rucha said:   9 years ago
Nice explanation for the answer. Thank you.

Mahesh said:   9 years ago
Here, 1/3 * 1/5 * Y = 15 * 3/10.
Y = 54.

Sai harsha said:   9 years ago
How to came 3/10? Please explain in detail.

Satish bobde said:   9 years ago
Thank you for explaining the answer.

Priya said:   9 years ago
Why divided by 3/10?

Davids said:   10 years ago
I'm trying to prove it but its failing.

1/3 x 1/4 x 54 = 4.5, it's not giving 15 how that?


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