Choose the missing terms out of the given alternatives : A, B, B, D, C, F, D, D, H. E, ?, ?

Choose the missing terms out of the given alternatives : N5V, K7T, ?, E14P, B19N

6, 11, 21, 36, 56, ?

Choose the missing terms out of the given alternatives : Y, W, T, P, K, E, X, ?, ?

Choose the missing terms out of the given alternatives.<br> AYD, BVF, DRH, ?, KGL

Choose the missing terms out of the given alternatives : A, G, L, P, S ?

Choose the missing terms out of the given alternatives.<br> Z, U, Q, ?, L

Which term of the series 5, 10, 20, 40, ..... is 1280?

One term in the number series is wrong. Find out the wrong term.<br> 93, 309, 434, 498, 521, 533