Find the 6th term from the end of the list of numbers 3, -6, 12, -24, .... , 12288.

The given list of numbers 3, -6, 12, -24, .... , 12288 is a G.P. with last term = l = 12288 and the common ratio = r = -2. By formula, nth term from end = Hence, the 6th term from end of the G.P. is -384.