Maths
Maths Puzzle
Numerical Ability
Simple & Compound Interest
if the sum of money at simple interest doubles in 12 years ,it will become 5 times in
Read Solution (Total 1)
-
- 48 years
To double the sum x, interest=x, so x*r*12/100= x, r=100/12=25/3
Hence with the same rate in n years for sum to become 5 times, interest=4x
=> x*(25/3)*n/100= 4x
=> n= 4*100*3/25= 48 - 8 years agoHelpfull: Yes(1) No(0)
Maths Other Question