Subtraction

Raju had 15 mangoes. He gave 7 mangoes to his friend. How many mangoes does Raju have now?

There are 20 balloons in a shop. 9 balloons were sold. How many balloons are left in the shop?

A farmer had 50 apples. He sold 23 apples in the market. How many apples does he have now?

In a library, there are 120 books. 45 books were borrowed by students. How many books are still in the library?

A school bus can carry 60 children. 28 children got off the bus at one stop. How many children are still on the bus?

A vegetable seller had 85 tomatoes. He sold some tomatoes and now has 47 left. How many tomatoes did he sell?