If it is possible to make a meaningful word with the first, the third, the seventh and the ninth letters of the word SEPARATION, which of the following will be the third letter of that word ?
If no such word can be made, give X as the answer and if more than one such word can be made, give M as the answer.

Answer: E. M

The first, third, seventh and ninth letters of the word SEPARATION are S, P, T and O respectively. The words formed are SPOT, POTS and TOPS.