For how many years should Rs. 600 be invested at 10% p.a. in order to earn the same simple interest as is earned by investing Rs. 800 at 12% p.a. for 5 years ?

For how many years should Rs. 600 be invested at 10% p.a. in order to

1.	For how many years should Rs. 600 be invested at 10% p.a. in order to earn the same simple interest as is earned by investing Rs. 800 at 12% p.a. for 5 years ?
A.	8
B.	6
C.	16
D.	12
Answer» B. 6