Rearrange the numbers and then multiply them

$200\times 625\times 16\times 25$

Find the value using distribution property

$85\times 15+15\times 15$

Find the value using distribution property

$125\times 8\times 883+117\times 25\times 40$

In a school, the monthly fee of a child is $Rs. 497$. If there are $2983$ students in a school, find the total fee collected in a month.

Estimate:

$589\times 245$

Estimate:  

$13459\times 7801$

Which of the following is meaningless 

The smallest $5$-digit number formed by using the digits $3,0,1$ (Repetition of digits allowed) is 

Which of the following is not a natural number?