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

56, 54, 58, 49, 66, 34

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, ?

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, ?

In this question, a sequence is given, with one term missing. Choose the correct option from the given options.
10 , 18 , 28 , 40 , ? 

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

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

1.7 5.4 19.2 80.8 409 ?

In a row of 21 men when Manish was shifted by four places towards the right, now he becomes 12th from the left end. What was his earlier position from the right end of the row?