Find the missing number in the given series 27, 32, 30, 35, 33, ?

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

Find the missing number in the given series 2, 6, 12, 20, 30, 42, 56, ?

Find the missing number in the given series 6, 14, 36, 98, ?

Find the missing number in the given series 2, 12, 36, 80, 150, ?

Find the missing number in the given series 3, 4, 7, 11, 18, 29, ?