Number Series Questions

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

18, 37, 76, 155, 314, ?

In the following question, one term in the number series is wrong. Find out the wrong term?

5, 10, 40, 80, 320, 550, 2560

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

91, 100, 118, 145, ?, 226

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

10, 12, 14, 16, 18, ?

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. Y, B, T, G, O, ?

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

25, 33, 42, 52, 63, ?

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

11, 22, 44, 88, 176, ?

Choose the correct alternative which will complete the following series:

21, 55, 19, 50, 17, 45, ?