Which number will come in the place of question mark?
45, 55, 66, 78, 91, ?

In each of the following questions, a series is given, with one term missing. Choose the correct alternative from the given one that will complete the series.
2, 3, 9, 49, ?, 3841

Which letter set will come in place of question mark (?) in the following series?
LOK, PQP, VSV, DUC, ?

A series is given, with one term missing. Choose the correct alternative from the given options that will complete the series.
51    (?)    57      65      81    

Complete the following series.

What will come in place of question mark(?) in the following number series?

A5, C10, E15, G20, ?

In the following question, select the missing number from the given series.
37, 50, 65, 82, ?, 122

Directions : In each of the following letter series, some of the letters are missing which are given in that order as one of the alternatives below it.

- bcdbc - dcabd - bedbc -dc -bd