One year ago, the ratio of Sooraj's and Vimal's age was 6:7 respectively. Four years hence, this ratio would become 7:8. How old is Vimal?
Choose the correct choice from the following choices:	A) 35	B) 36	C) 37	D) 38	E) 39
1 year ago   Age of Sooraj and Vimal, 6x and 7x respectively.   After 4 years ratio would become 7:8   (6x+5):(7x+5)=7:8   8(6x+5)=7(7x+5)   48x+40=49x+35   x=5 Vimal's present age   =7x+1=7×5+1=36   answer :36
<result>B</result>
One year ago, the ratio of Sooraj's and Vimal's age was 6:7 respectively. Four years hence, this ratio would become 7:8. How old is Vimal?