Number Series Questions

In the following question, select the missing number from the given series.

147, 149, 152, 156, 161, ?

In the following question, select the missing number from the given series.

123, 120, 116, 111, ?, 98

Select the number missing from the given number series.

4, 9, 20, 44, ?

Find the first negative term of the below A.P.

129, 120, 111, 102, ...

In the following question, select the missing number from the given series.

21, 25, 34, 50, ?, 111

In the following question, various terms of an alphabet series are given with one or more terms missing as shown by (?). Choose the missing terms out of the given alternatives. CMW, HRB, ?, RBL, WGQ, BLV

Which of the following groups of alphabets should replace the blank spaces so that the group of alphabets, given in bold, follow a logical pattern from the preceding and the following group of alphabets?

b w _ y z a,  d s t u v _ ,  _ o p q r e 

In the following question, select the missing number from the given series.

131, 138, 145, 152, ?, 166