Given below are two number series I and II where each series has a wrong (odd one out) number. The number that will actually come in place of the wrong number in series I and II are 'P' and 'Q' respectively. Find which among the given options gives the correct sum of 'P' and 'Q'. I: -20, -57, -68, -53, -10, 49 II: 30, 55, 120, 240, 436, 725