SSC JE Mechanical Engineering 2017 Set 3 Paper

On reading the English alphabet from the back, the place of letters of P, R, O, X, I, M, A, L is 11, 9, 12, 3, 18, 14, 26, 15.
On reading the English alphabet from the beginning, the place of letters K, I, L, C, R,N, Z,O are 11, 9, 12, 3, 18, 14, 26, 15.
Similarly, On reading the English alphabet from the back, the letters of letters W, H, Y are 4, 19, 2.
On reading the English alphabet from the beginning, the position of 4, 19, 2 is for D, S, B letter.