Question

The difference between C.I and S.I for 1 ½ years at 10% p.a. compounded
half yearly is ₹76.25. Find the sum.

Answer 1

Answer:

Interest compounded half yearly in this case means 5% interest at intervals of 6 months or turner in a year effective interest rate = A+B+AB/100

5+5+

100

5×5

=10.25%

SI=10%

Difference is 0.25% and is given as Rs 25

⇒

100

0.25

×5=25

⇒s=25×

0.25

100

=Rs10000

Check :-

SI on 10,000@10%Rs1000

CI on 10,000@10% compounded half yearly = Rs1025

difference = Rs25

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