1.   After a few days of phoning Stephanie, he knew her number by heart.

2.   The optimum size of hash table can only be determined if the approximate number of items to be stored is known.

3.   We need to know the number of students in each class.

4.   Good morning good afternoon whatever you like to call O never mind you know the number.

5.   Still, he knew that number too.

6.   I know the numbers of the depot.

7.   Jonathan should know the numbers.

8.   Antonacci said he did not know the number of Florida buyers of resold lemons who did not receive disclosure forms.

9.   Auburn may or may not know his numbers, but he knows something about parents, children, siblings and new arrivals.

10.   But many of the ways numbers become known to outsiders are anything but voluntary in nature.