Aptitude - Compound Interest - Discussion

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Q.

A sum of money invested for a certain number of years at 8% p.a. simple interest grows to Rs.180. The same sum of money invested for the same number of years at 4% p.a. simple interest grows to Rs.120 only. For how many years was the sum invested?  .                          
A. 25 years B. 40 years
C. 33 years and 4 months D. Cannot be determined

Answer: Option A
Explaination:

 


Discussion

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