During the academic session 2009-10, in Banaras Hindu University, Varanasi, the number of students studying Arts, Law and Commerce was in the ratio of 5 : 6 : 7.
If during the academic session 2010-11 the number of students studying Arts, Law and Commerce increased by 20%, 30% and 40% respectively, what will be new ratio?

A

26 : 42 : 63

B

36 : 44 : 73

C

26 : 39 : 49

D

30 : 39 : 49.