self Maths Puzzle

IF
1= N
2= W
3= H
4= O
5= I
THEN 6=?

Read Solution (Total 2)

self Other Question

1+2=10
2+3=26
3+4=50 then
4+5=?
If a person starts contributing certain amount(rs.) daily and adds Rs 2 more to its previous day's contribution. After 25 days, his total contribution is Rs. 675,With what amount he started on day one ?