# Pradeep Gave Rs.16000 to a Friend for 1.5 Years at 15% P.A. Compounded Semi-annually. Find the Interest Earned by Him at the End of 1.5 Years. - Mathematics

Sum

Pradeep gave Rs.16000 to a friend for 1.5 years at 15% p.a. compounded semi-annually. Find the interest earned by him at the end of 1.5 years.

#### Solution

Amount ="P"(1 + "r"/200)^(2"t")

Amount = 16000 (1 + 15/200)^3 = Rs. 19876.75

C = 19876.75 - 16000 = 3876.75

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#### APPEARS IN

Frank ICSE Class 10 Mathematics Part 2
Chapter 1 Compound Interest
Exercise 1.1 | Q 14 | Page 6