Question

5000 rupees 10% compound interest who many years it will become 6655

Answer 1

Given, 

       Principal = Rs 5000

       Amount=    Rs 6655

       Rate %   =    10 %

       Conversion period=n= ? 

  So ,  6655= 5000(1+ 10/100) n             

          6655 / 5000= (11/10) n

         1331/1000 = (11/10)n

         113/103    =  11n / 10 n

So n= 3 as 11 3 = 1331

Thus in 3 years a sum of Rs 5000 will become Rs 6655 @ 10% p.a. compounded anually

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