Question

Q: rs 6000 become rs 7200 in 4 years at a certain rate of interest. If the rate becomes 1.5 times of itself the amount of the same principle in 5 years will be? I NEED COMPLETE SOLUTION PLS HELP ME

a) 8000 b) 9000 c) 8250 d) 9250

Answer 1

atq 7200=6000 (l plus 4×r÷l00)
on solving we get r=5%
new rate =l.5×5=7.5%
amount=6000 (l plus 5×7.5÷l00)
=8250