Whole numbers are associative under multiplication.

Whole numbers are associative under division.

Find the product of first five whole numbers.

Is division of two whole numbers commutative? Explain with examples.

A car moves at a uniform speed of $72 km per hour$. How much distance will it cover in $5$ days if it travels $13$ hours per day?

The number of students in each section of a school is $20$. If there are $50$ sections in the school and the fees paid by each student is $₹1025$ per month, what is the total fees collected in a month?

Find a number which when divided by $21$ gives $19$ as quotient and $10$ as remainder.

Find the greatest $4-$digit number exactly divisible by $86$

Find the least $4-$digit number exactly divisible by $28$