Find the missing number?

Select the option that is related to the fourth term in the same way as the first term is related to the second term.
16 : 272 :: ? : 380

5, 16, 49, 104, ?

Select the number that can replace the question mark (?) in the following series.

31, 44, 58, 73, 89, ?

1, 4, 9, 16, 25?

Find the missing number?

Find the missing number?

2,5,9, (…), 20,27?