Kiwiland, It broke into the 4 pieces with following weights. 1Kg 3Kg 5Kg 31Kg Logic: 40=31+5+3+1 39=31+5+3 38=31+5+3-1 37=31+5+1 36=31+5 35=31+3+1 34=31+3 33=31+3-1 34=31+3 33=31+3-1 32=31+1 31=31 30=31-1 29=31+1-3 28=31-3 27=31-3-1 26=31-5 25=31-5-1 24=31-5-3+1 23=31-5-3 22=31-5-3-1 21= Do the rice Fifty Fifty(You get 20kgs) +1 20= Do the rice Fifty Fifty 19= Do the rice Fifty Fifty -1 18= Do the rice Fifty Fifty -3+1 17= Do the rice Fifty Fifty -3 16= Do the rice Fifty Fifty -3-1 15= Do the rice Fifty Fifty -5 14= Do the rice Fifty Fifty -5-1 13= Do the rice Fifty Fifty -5-3+1 12= Do the rice Fifty Fifty -5-3 11= Do the rice Fifty Fifty -5-3-1 10= Do the rice Fifty Fifty(Ypu get 20kgs) & Agian do it Fifty Fifty from 20 Kgs(You get 10 Kgs.). 9=5+3+1 8=5+3 7=5+3-1 6=5+1 5=5 4=3+1 3=3 2=3-1 1=1 Jay Never Ending Peace And Love