In a survey of 1000 families, it is found that 484 families use induction cooker , 552 families use gas stoves. If all the families use atleast one of these two types , how many families use both
In a survey of 1000 families, it is found that 484 families use induction cooker , 552 families use gas stoves. If all the families use atleast one of these two types , how many families use both