Question
The difference of S.I and C.I on an amount of Rs. 20000
for 2 years is Rs. 162. What is the rate of interest?Solution
=> CI – SI = P(R/100)2 => 162 = 20000 (R/100)2 => (R/100)2 = 81/10000 => R/100 = 9/100 => R = 9%
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