Question

1+1+1+1=r
2+2+2+2=t
3+3+3+3=e
4+4+4+4=n
then ,5+5+5+5=?

Answer 1

A very easy question.....
1+1+1+1=4 the last alphabet of four is r
2+2+2+2=8 the last alphabet of eight is t
the same way
5+5+5+5= twenty
so the answer will be y 

Answer 2

1+1+1+1=four. =r(last letter)
2+2+2+2=eight. =t(last letter)
3+3+3+3=twelve=e(last letter)
4+4+4+4=sixteen=n(last letter)
5+5+5+5=twenty=y(last letter)