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

In the following question, select the number which can be placed at the sign of (?) from the given alternatives.

563, 647, 479, 815, (…)

Find the missing number?

In the question, select the missing number from the given responses.

Find the missing number?

1,9,17,33,49,73 (…)