In a party for 30 children,12 were served with Coca-cola drink, while 14 we’re served with Pepsi…
In a party for 30 children,12 were served with Coca-cola drink, while 14 we’re served with Pepsi cola if 9 of the children were served with Coca-cola but not Pepsi
1. The number of children served with both drinks.
2. The number of children served with at least one type of drink.
3. The number of children not served with any of the drinks.