In the town of windsor, 250 families have at leat one car while 60 families have at least two cars. How many families have exactly one car?

In a certain town 25% families own a phone and 15% own a car, 65% families own neither a phone nor a car, 2000 families own both a car and a phone . How many families live in the town ?

In a certain town 25% families own a phone and 15% own a car, 65% families own neither a phone nor a car, 2000 families own both a car and a phone . How many families live in the town ?

In a certain town, 25% families own a phone and 15% own a car, 65% families own neither a phone nor a car. 2000 families own both a car and a phone, then

There are 80 families in a small extension area. 20 per cent of these families own a car each. 50 per cent of the remaining families own a motor cycle each. How many families in that extension do not own any vehicle?

Tamark Street has 30 families, each family owns dogs amongst three different breeds - Alsatian, Spitz ad Golden - retriever . A family , can have dogs of multiple breeds but at most one dog of any breed. There are 11 families having an Alsation and 14 families having a Spitz. There are 10 families who dogs of exactly two different breeds and 2 families own dogs of all three breeds. What is the total number of dogs on Tamarak street ?