Number Operations

Raju has 5 mangoes 🍋. He eats 2 mangoes. How many mangoes are left?

If you have 4 pencils ✏️ and your friend gives you 3 more, how many pencils do you have now?

A train has 10 passengers 🚂. At the next station, 4 passengers get down and 6 new passengers get in. How many passengers are on the train now?

There are 15 apples 🍎 in a basket. If you divide them equally among 3 friends, how many apples does each friend get?

In a classroom, there are 20 students. 8 students are girls and the rest are boys. How many boys are there?

A farmer has 24 cows 🐄. He sells 1/3 of them at the market. How many cows did he sell?