Question

At what rate % pa will a sum of money triple itself in 5 years​

Answer 1

Answer in the above attachment ⬆️

Answer 2

Answer:

Let a sum of money is Rs.x which triples itself in 5 yrs at r% p.a. at simple interest

Let in n years it becomes 5 times. Accordingly :-

P =Rs.x , t=5 years. , A=Rs.3x. , S.I.= Rs.(3x-x)= Rs.2x.

S.I. = (P×r×t)/100.

2x = ( x.r.5)/100

or , 2 = r/20. => r = 40%

Step-by-step explanation:

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