Choose the missing terms out of the given alternatives : 2, A, 9, B, 6, C, 13, D, ?

7, 26, 63, 124, 215, 342, ?

45, 54, 47, ?, 49, 56, 51, 57, 53

Choose the missing terms out of the given alternatives : Z, W, S, P, L, I, E ?

Choose the missing terms out of the given alternatives.<br> R, U, X, A, D, ?

Choose the missing terms out of the given alternatives : 2A11, 4D13, 12G17, ?

3F, 6G, 11I, 18L, ?

One term in the number series is wrong. Find out the wrong term.<br> 1, 2, 4, 8, 16, 32, 64, 96

Choose the missing terms out of the given alternatives : b e d f ? h j ? l