In how much time will a sum of Rs 10200 amounts to Rs 19125 at the rate of 12.5 percent per annum at simple interest?

7 years

Principal = Rs 10200

Amount = Rs 19125

Interest=  Amount - Principal

            = 19125-10200

            = Rs 8925

Rate = 12.5% 

Interest= \(\frac{Principal ×Rate ×Time }{100}\)

      8925  = \(\frac{10200×12.5× t}{100}\)

∴ time= 7 years