The next term in the sequence 4, 10, 22, 46, ..... is -

Next term in the following sequence is: 2, 12, 36, 80, 150, ?

The next term in the sequence 1, 3, 9, 15, 25, 35, 49, ….. will be

What is the 14th term of the sequence 14, 10, 6, 2,.... ?

The next number in the finite sequence 486, 324, 216, 144, … is

What is X in the sequence 20, 10, 10, 15, 30, 75, X?