Select the option that will fill in the blank and complete the given series.
14, 17, 23, 32, 44 , ___

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
15, 26, 48, 81, 125, ?

The series given below contains a sequence of numbers. Identify the incorrect combination: 

56, 54, 58, 49, 66, 34

Select the option that is related t o the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term.
 24 : 840 :: 27 : ? :: 33 : 1452

Which of the following numbers will replace the question mark (?) in the given series?

27, 29, ?, 182, 730, 3652

In the following question, select the missing number from the given series.
 129, 126, 123, 120, 117, ?

Direction (66-70): What should come in place of the question mark(?) in the following number series?

4, 5, 7, (?), 19

In how many ways can letter of the word MAILINGS arrange so that M and N always come together?