The missing number in the series is: 4, 18, 48, ?, 180

The missing number (?) in the following series : 60, 180, 90, 270, ?, 405 is

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

The missing number in the sequence: 4, 18, 48, 100,?, 294, 448

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

Find the missing number in the given series 7, 18, 40…….?....117, 172