What is the missing number? 32, 19, 8, ?

What is the missing number? 1, 2, 10, 37, 101, ?

The missing number in 3, 8, 13, 24, 41, 70, ......

Find the missing number in the given series 4, -8, 16, -32, 64, ?

Find the missing number in the 5×5 grid.

The missing number (?) in the following series is : 3, 7, 15, 31, 63, ?