Which letter replaces the question mark?
8+3 = 11, 11th letter from reverse is - P 11+9 = 20, 20th letter from reverse is - G 4+2 = 6, 6th letter from reverse is - U 3+1 = 4, 4th letter from reverse is - W
Now 7+18 = 25 25th letter from reverse is B
So answer is B
D I G F K O A B E ?
Which letter replaces the question mark - Z S G M D I F E H ?
