1) What character is in position 5 of "XNMHGW" ?

2) Which of the following are valid strings?

a) "DEFG"

b) "DDDD"

c) "D3F4"

d) D3F4

e) "FH "WE"

f) "XW KH"

g) "XW" "KH"

h) "H,K,M,N"

i) H,K,M,N

j) "H"-"W"

k) "H-W"

l) ""

3) What character is in position 5 of "XNMHGW" ?