Aptitude - Compound Interest - Discussion
Discussion Forum : Compound Interest - General Questions (Q.No. 5)
5.
The compound interest on Rs. 30,000 at 7% per annum is Rs. 4347. The period (in years) is:
Answer: Option
Explanation:
Amount = Rs. (30000 + 4347) = Rs. 34347.
Let the time be n years.
| Then, 30000 |  |
1 + | 7 |  |
n | = 34347 |
| 100 |
 |
|
107 | |
n | = | 34347 | = | 11449 | = | |
107 | |
2 |
| 100 | 30000 | 10000 | 100 |
n = 2 years.
Discussion:
46 comments Page 4 of 5.
Fizna said:
1 decade ago
Can anyone say the exact formula for finding the period?
Sangavi said:
7 years ago
Why we add 30000 and 4347, can anyone please explain it?
Leo said:
10 years ago
Can anyone explain me the simplification of (107/100)2?
Dittya said:
1 decade ago
Yaa, its because (107)^2 = 11449 and (100)^2 = 10000.
Priya said:
8 years ago
What is 107/100? I can't understand, please explain.
(1)
Lalitha said:
1 decade ago
Can any one please help how it has come (107/100)^2
Bimla jarmwal said:
7 years ago
Please, anyone, explain the answer in detail to me.
(1)
Prasad said:
7 years ago
Why we square that 107/100 n=2? why? please.
(1)
Hitendra said:
1 decade ago
How to calculate (107/100)^t = 34347/30000?
Saron said:
4 years ago
Very good, Thanks everyone for explaining.
(2)
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