Interpret bar graphs and circle graphs Quiz

How many students like bananas?

The bar graph shows how many of each vehicle make has been purchased in a month.
What is the total number of cars that have been sold?

The bar graph shows how many of different trees were planted in the park.
How many more birch trees were planted compared to oak trees?

The circle graph demonstrates how students answered the question "Would you prefer two shorter breaks instead a longer lunch break?"
Are most of the students against or in favour of the two shorter breaks?