Plz tell me how to solve these types of questions?? Q:1 The number of whole number solutions of the equation x+y+z+r=17 ? Ans: a: 1140 b: 570 c: 21C4 d: none of these Q:2 The number of natural number solutions of the equation 2x+y+3z=15 ? Ans : a: 11 b: 12 c: 16C3 d: none of these

Moni RS , 16 Years ago

Grade 11