A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?

A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how m

1.	A sum of Rs 400 becomes Rs 448 at simple interest in 2 years. In how many years will the sum of Rs 550 amounts to Rs 682 at the same rate?
A.	2
B.	3
C.	3.5
D.	4
Answer» E.