Aptitude - Simple Interest - Discussion

Discussion Forum : Simple Interest - General Questions (Q.No. 6)
6.
A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
3%
4%
5%
6%
None of these
Answer: Option
Explanation:

S.I. = Rs. (15500 - 12500) = Rs. 3000.

Rate = 100 x 3000 % = 6%
12500 x 4

Video Explanation: https://youtu.be/SIcQu1HOmOk

Discussion:
51 comments Page 6 of 6.

Answer me said:   2 decades ago
Can someone please explain why we sub 12500 from 15500 ?


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