Math, asked by savlakrishi2004, 1 year ago

The compound interest on a sum of rs16000 deposited in a bank for a period of 2 years is rs9000. Find the rate of interest

Answers

Answered by abhi178
1
Here,
C.I = 9000
n = 2
P = 16000

use the formula,
C.I = P[ 1 + r/100]ⁿ -P
9000 = 16000[1 + r/100]² - 16000
25000 = 16000[ 1 + r/100]²
(5/4)² = [1 + r/100]²
5/4 - 1 = r/100
1/4 = r/100
r = 25%
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