Next number in the series

6, 13, 21, 30, 40, 51, 63, –

The next number in the series

1, 1, 2, 3, 5, 8, 13, ......?

Identify the next number in the series:

2, 7, 17, 32, 52, 77, __

In the following question the mathematical number follow according to a pattern. Discover that pattern and then pick up the missing number from the answer choices:

2, 5, 9, 19, 37, ?

Identify the next number in the series :- 9, 8, 8, 8, 7, 8, 6, ?

Which will be the next number in the following series? 1, 8, 27, 64…