There are 2 lozenges in a packet. How many lozenges are there in 8 packets?

There are 10 benches in a classroom. 5 pupils can sit on a bench. How many pupils can sit in total in the classroom?

Father walks 4 hours daily. How many hours does he walk in 7 days?

Ujwal wants to buy 4 books, and each book costs 21 Taka. How much does he pay?

Multiply the numbers in the left column by the numbers in the top row, and fill the result in the blank boxes.

The below picture shows the students sitting in a classroom. A dot(.) indicates a student. How many students are in the classroom? calculate it in a variety of ways.