Subtraction

Raju has 7 mangoes. He gives 3 mangoes to his friend. How many mangoes does Raju have now?

There are 10 balloons. 6 balloons fly away. How many balloons are left?

A basket has 15 apples. If 7 apples are taken out, how many apples remain in the basket?

In a classroom, there are 20 students. 9 students go home early. How many students are still in the classroom?

A farmer had 25 cows. He sold 13 cows. How many cows does the farmer have now?

There are 30 sweets in a box. If 17 sweets are eaten by children, how many sweets are left in the box?