Видео с ютуба If Two Quantities Are Proportional Then (Second Quantity)2= First Quantity X Third Quantity

Class 7 || Mathematics || Chapter : Two|| Proportion ,Profit and Loss || Uday Roy || Ex 2.2 Lec 3

Class 7 || Mathematics || Chapter : Two || Proportion,Profit and Loss || Uday Roy || Ex 2.1 Lec 2

Class 7 || Mathematics || Chapter : Two || Proportion,Profit and Loss|| Uday Roy || Ex :2.1 Lec 1