Aptitude - Compound Interest - Discussion
Discussion Forum : Compound Interest - General Questions (Q.No. 3)
3.
There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 12,000 after 3 years at the same rate?
Answer: Option
Explanation:
Let P = Rs. 100. Then, S.I. Rs. 60 and T = 6 years.
 R = |
 |
100 x 60 |  |
= 10% p.a. |
| 100 x 6 |
Now, P = Rs. 12000. T = 3 years and R = 10% p.a.
| C.I. |
|
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|
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| = 3972. |
Discussion:
94 comments Page 10 of 10.
Arvindsamy said:
9 years ago
Guys your discussions and solutions are very useful. Thank you all guys.
Malleswar said:
9 years ago
Beautifully explained. Thanks to all.
Prabhakaran said:
9 years ago
Hi, can anyone explain to me why CI = Amount - P if its P we can substitute the actual principal.
Vikash said:
9 years ago
After taking common factor p from bracket then automatically -1 come i.e. -1 * p = -p.
If you are confused about -1 then don't take common answer come same but it becomes some complicated.
If you are confused about -1 then don't take common answer come same but it becomes some complicated.
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