Q) Of five numbers, first is thrice the third, fourth is two less then the first, fifth is one-seventh of the second and the second is three less then thrice the first. find the fifth number, if the average of the numbers is 16.2.

A) 3
B) 4
C) 5
D) 6
E) 7


Please help. I will post the correct answer later.

Thanks
Amit