3, 4, 7, 7, 13, 13, 21, 22, 31, 34, (..)

Select the missing number from given responses.

Find the missing number?

Select the missing number from the given response.

121, 114, 105, 94, 81, 66, (?)

Select the option that represents the letters that, when placed from left to right in the following blanks, will complete the letter series.
S C R _ W S _ R _ W _ C _ G W S _ R H _

Complete the series choosing the missing letter

__ aaba __ aa__ __aa

2, 4, 12, 48, 240,?