Question
In what time will Rs. 2500 amount to Rs. 3327.5 @ 20%
compound interest payable half-yearly?ÂSolution
Since interest is compounded half-yearly So, rate is = 20/2 =10% and time =2 x t = 2t years A = P ( 1 + R/100)t 3327.5 = 2500 ( 1 + 10/100) t 3327.5 /2500= (11/10)2t (11/10)³ = (107/100) ]2t                          t = 3/2 years , The required time is 3/2 years.
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