Aptitude - Compound Interest - Discussion

Discussion Forum : Compound Interest - General Questions (Q.No. 13)
13.
The difference between simple interest and compound on Rs. 1200 for one year at 10% per annum reckoned half-yearly is:
Rs. 2.50
Rs. 3
Rs. 3.75
Rs. 4
None of these
Answer: Option
Explanation:

S.I. = Rs 1200 x 10 x 1 = Rs. 120.
100

C.I. = Rs. 1200 x 1 + 5 2 - 1200 = Rs. 123.
100

Difference = Rs. (123 - 120) = Rs. 3.

Discussion:
53 comments Page 6 of 6.

Sandy said:   9 years ago
Yes @Santhiya you are upto the point. Anyhow SI gonna be the fixed interest for the months.

Haritha said:   9 years ago
Do we have any other method to solve this problem? If yes means, please tell me.

Rani said:   1 decade ago
Why 1200 is subtracted for calculation of CI?


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