Question

A sum of money becomes triple of itself in 20 years.In how many years will it double itself.​

Answer 1

Answer:

Let principal = P,

Amount = 3P

Interest = 3P−P = 2P

According to the question,

2P=P×R×T100=R= 10%

Let after t year it will become double

Hence,interest=2P−P=P

P=P×10×t100=t

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Step-by-step explanation: