Which number will come in the place of question mark? 9, 25, 49, ?, 121

Which number will come in the place of question mark? 5, 13, 29, ?, 125, 253

Which number will come in the place of question mark? 143, 275, 495, ?

Which number will come in the place of question mark? 6, 11, 21, 36, 56, ?

Which number will come in the place of question mark (?) in the table given below?

What will come in place of question mark (?) in the series X5C, U8F, ?, O17L, L23O?