A money lender lent Rs. 1000 at 3% per year and Rs. 1400 at 5% per year. The amount should be returned to him when the total interest comes to Rs. 390. Find the number of years.	Choose the correct answer:
A) 3.5
B) 3.75
C) 4
D) 3.9
E) 4.5
(1000xtx3/100) + (1400xtx5/100) = 390 â†’ t =3.9 answer 3.9
<result>D</result>
A money lender lent Rs. 1000 at 3% per year and Rs. 1400 at 5% per year. The amount should be returned to him when the total interest comes to Rs. 390. Find the number of years.