Take nth column in a text file

Question

I have a text file:

1 Q0 1657 1 19.6117 Exp
1 Q0 1410 2 18.8302 Exp
2 Q0 3078 1 18.6695 Exp
2 Q0 2434 2 14.0508 Exp
2 Q0 3129 3 13.5495 Exp

Answer 1

One more simple variant -

$ while read line
  do
      set $line          # assigns words in line to positional parameters
      echo "$3 $5"
  done < file