Question

rs 300 becomes rs 420 in 2 years at simple interest.what will rs 620 amount to in 3 1/2years the rate being the same in both case​

Answer 1

Answer:

in first case there is 120 RS interest on amount

so 120/2 =60

interest of one year = 60

so in 31/2=15.5 year so

15.5*60 = 930

so RS 620 = 1560