9 + 3 = 12 th alphabet L 7 + 1 + 6 + 6 = 20 th alphabet T 2 + 2 + 6 + 4 + 9 + 1 = 24 th alphabet X 9 + 3 + 5 + 8 = 25 th alphabet Y 8 + 7 = 15 th alphabet M
Hence M will come at the palce of question mark
"o" is the correct answer