Date chapters problems 5-9 1 - 2 1 12-9 3 - 4 2,3,7 18-9 5 - 6 (till p.22) 4,5,6 26-9 6 (rest) 10,11 10-10 7 - 8 13,14,15 17-10 9 - 10 16,17 24-10 11 - 12 18,20,21 31-10 13 - 14 19,22,23 7-11 15 24,25,26 14-11 16-17 8,9,12 21-11 18 27,28,29 28-11 19 - 20 30,31,32 5-12 21 33,34,36 12-12 22 35,37,40 19-12 -- 38,39