F= 10 + 2 = 12 and A = 10-2 = 8 Now. F gives 5 cards to C F = 12-5 = 7 and C = 10 + 5= 15 Now, C gives 3 cards to B C = 15 - 3 = 12 and B = 10 + 3 = 13 Now, B gives 6 cards to D B = 13-6 = 7 and D = 10 + 6= 16 Now, D gives one card to E D = 16- 1 = 15 and E= 10+ 1 = 11 Therefore, B and F have equal number of cards.