Question

A sum becomes triple in 6 years at s.I. The same sum will become 19 times in how many years

Answer 1

Answer:

In 36 year he become 19 time

Answer 2

It will take 54 years to get the sum 19 times.

Step-by-step explanation:

Since we have given that

Number of years = 6

Let Principal be 'P'.

Let amount be '3P'

So, Simple interest = A- P = 3P - P = 2P

So, it becomes,

$2P=\dfrac{P\times 6\times R}{100}\\\\R=\dfrac{100}{3}\\\\R=33\dfrac{1}{3}\%$

Amount = 19 P

Principal = P

Simple interest = A-P = 19P-P = 18P

So, it becomes,

$18P=\dfrac{P\times t\times 100}{300}\\\\18\times 3=t\\\\54\ years=t$

Hence, it will take 54 years to get the sum 19 times.

# learn more:

A sum of money becomes double itself in 5 years at S.I in how many years will it becomes 4 time's at the same rate​

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