Question

of a sum of money at simple interest doubles every 5 year then in how many years it will become 4 times​

Answer 1

Answer:

10

Step-by-step explanation:

Letsum=xthenS.I=x

rate=

P×T

100×SI

=

x×5

100×x

=20%

Nowforcasesecondsum=x,SI=2x

time=

x×20

2x×100

=10years

Nowforcasesecondsum=x,SI=2x

time=

x×20

2x×100

=10years