Question

at a certain rate of simple interest a certain sum of money becomes double of itself in 10 years in what time will it become treble of itself​

Answer 1

Answer:

20 years.

Step-by-step explanation:

Let principal = x, interest = x and rate = r%.

Rate = Principal * Time

= (x * 100)/(x * 10)

= 10%

Now,

p = x, interest = 2x.

Time = (SI * 100)/(P * R)

         = (2x * 100)/(x * 10)

         = 20 years.

Hence, Time = 20 years.

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