Question

13. A sum of money becomes triple of itself in 8 yr
at SI. In twelve years, it will become how many
times of itself at the same rate?
(a) 6 times
(b) 4 times
(c) 5 times
(d) None of these​

Answer 1

Answer:

4 times

it may help you

Answer 2

Answer:

Step-by-step explanation:

LET PRINCIPAL AMT-a

Marturity value of after 8years:-3a

:-3a-a:-2a

Intt rate =(2a*100) /8a=25%

20years=a*25*8/100=2a

After 20years=2a+2a

=4a