Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 105)
105.
| If 60% of | 3 | of a number is 36, then the number is: |
| 5 |
Answer: Option
Explanation:
Let the number be x. Then
| 60% of | 3 | of x = 36 |
| 5 |
 |
60 | x | 3 | x x = 36 |
| 100 | 5 |
| x = |
 |
36 x | 25 |  |
= 100 |
| 9 |
Required number = 100
Discussion:
3 comments Page 1 of 1.
Prudence Makai said:
3 years ago
How does the 25/9 come about? Kindly explain.
(1)
Vijay said:
6 years ago
It's Simple.
60/100=3/5.
Then
3/5*3/5=9/25.
So,
9/25*x=36,
Now interchange it,
X=25/9*36=100.
60/100=3/5.
Then
3/5*3/5=9/25.
So,
9/25*x=36,
Now interchange it,
X=25/9*36=100.
(1)
Kavin said:
6 years ago
How it comes? please explain me.
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