Parts and Wholes

Rani has 10 mangoes. She gave 3 mangoes to her friend. How many mangoes does Rani have now?

A chocolate bar is broken into 5 equal parts. If you eat 2 parts, what fraction of the chocolate bar did you eat?

A basket has 12 apples. 1/4 of the apples are green. How many green apples are there?

If a pizza is cut into 8 equal slices and you eat 3 slices, what part of the pizza is left?

A school has 120 students. 1/3 of them are girls. How many boys are there in the school?

A water tank is 3/4 full. If 1/2 of the water is used, what fraction of the tank remains full?