Solutions to Mathematics Questions for students of classes XB and XD 11111111111111Ex. 5.4 Exemplar Questions Ex. 13.1, 13.2 and 13.3 NCERT Book Ex. 13.4 and Ex 13.5Ex. 12.1222222222222 Solutions to Mathematics Questions for students of classes IXD Ex. 10.4 Exemplar Problems Ques 6 and 8Ex10.1, Ex 10.2, Ex 10.3 and Ex 10.4