If it is possible to make a meaningful word out of the second, the fourth, the fifth and the eigth letters of the word 'ILLOGICAL' then which of the following will be the third letter of the so formed word ? If more than one word can be formed then give X as the answer. If no meaningful word can be formed, then give Z as the answer.
The second, fourth, fifth and eighth letters of the word ILLOGICAL are L, O, G, A respectively. The words formed are GOAL and GAOL.