7. Number of years in which a sum of money treble itself
when rate of interest being 5% is :​

1 thought on “<br />7. Number of years in which a sum of money treble itself<br />when rate of interest being 5% is :​”

1. Let’s take an example, assuming your principal is 1000 at 5% for 40 years

   Principal=Rs 100

   If it is triple, then amount=Rs 300

   And interest= 300–100= Rs 200

   Therefore time= Interest/Rate=200/5= 40 year

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