Three series I, II, and III following a certain pattern are given below. In the series, one of the numbers is missing in the numbers in series I, in series II, and in series III are represented by 'x', ''y', and 'z' respectively. 

Series I: 32, 48, 120, 420, 1890, _______.

Series II: 121, 169, 289, ______,529, 841. 

Series III: 964, 482, _____, 723, 1446, 3615.

Which of the following equation(s) is/are correct?

I. (y x 20) + (z x 10) = x - 3065

II. x - (y + z) x 20 = 6465

III. (z - y) x 121 = z + x