Problem Statement

Shortfall of A and C in Odd Months Against B and D in the Rest Opinion polls were conducted about the popularity of four IT companies (A, B, C and D) in alternate months. All the people who participated in the opinion poll each month cast their vote in favour of exactly one of the four companies. The results (in lakhs of votes) are shown by the line graph, in which the plotted values are: A: Jan 1.5, Mar 1, May 1, July 1.5, Sept 2, Nov 2 B: Jan 2.5, Mar 3, May 1, July 1, Sept 2, Nov 2 C: Jan 3, Mar 2, May 2.5, July 2.5, Sept 3.5, Nov 4 D: Jan 4, Mar 4, May 3.5, July 4.5, Sept 4.5, Nov 4 By what percentage is the total number of votes in favor of A and C combined in January, May, and September less than the total number of votes in favor of B and D combined in the remaining months?