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:
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:
68 comments Page 4 of 7.
Priyadharshini said:
9 years ago
Why the number 180 is multiplied by (3/10)?
And why 10?
And why 10?
Ravneet said:
9 years ago
Not understandable. Let me know the shortcut to find the solution.
Medha dhumal said:
9 years ago
It is difficult to understand the logic. Is there any easy method to solve this?
(1)
Davids said:
9 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?
1/3 x 1/4 x 54 = 4.5, it's not giving 15 how that?
Sudarshan said:
10 years ago
3/10 is taken because it is asked in the question that "What is the three-tenth of the number" and "Three-tenth corresponds to 3/10.
Pavan said:
1 decade ago
Why 3/10 is taken?
S.roselin mercy said:
1 decade ago
Thank you so much for this solution. It is helpful for me.
Amol Dighe said:
1 decade ago
Nice method to understand.
Parag vyas said:
1 decade ago
4 and 3 is undergoing the 1 and if we get cross connection with simple mathematics its addition of 4&3 and we get 12. Try to tech and understanding.
Kailah said:
1 decade ago
How to get 12?
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