Aptitude - Compound Interest - Discussion
Discussion Forum : Compound Interest - General Questions (Q.No. 8)
8.
The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is:
Answer: Option
Explanation:
| P |  |
1 + | 20 |  |
n | > 2P |  |
|
6 | |
n | > 2. |
| 100 | 5 |
| Now, | |
6 | x | 6 | x | 6 | x | 6 | |
> 2. |
| 5 | 5 | 5 | 5 |
So, n = 4 years.
Discussion:
26 comments Page 3 of 3.
Psit Kanpur said:
5 years ago
Can anyone explain about (6/5 * 6/5 * 6/5 * 6/5)>2?
(12)
Kanishk said:
5 years ago
Instead of trial and error we can use logarithm.
(1)
Swathi said:
1 decade ago
Hi,
We are using > 2. Can you explain it?
We are using > 2. Can you explain it?
Sharvari said:
1 decade ago
Can someone explain in easier way?
Please.
Please.
Lokesh said:
8 years ago
Easy method.
How Will know n=72/r?
How Will know n=72/r?
Kalyani said:
9 years ago
Why are we using 2p?
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