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

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

4, 5, 7, (?), 19

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

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?

125, 80 , 45, 20, ?

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

27, 29, ?, 182, 730, 3652