Q:

If it is possible to make only one meaningful word with 3rd, 7th, 8th and 10th letters of the word ‘COMPATIBILITY’, which of the following would be the last letter of that word? If no such word can be made, give ‘X’ as your answer and if more than one such word can be formed, give your answer as Y.

• 1
  I
• 2
  B
• 3
  L
• 4
  X
• 5
  Y