152
5.
10.
There are 5 odd numbers between 10 and 20: 11, 13, 15, 17, 19
five next time count
152
Any multiple of 2520.
10.
5.
10.
There are 5 odd numbers between 10 and 20: 11, 13, 15, 17, 19
Four 17 19 21 23
The sum of the first 10 odd whole numbers is 100.
five next time count
Numbers that are prime can't be multiples of 10. Multiples of 10 can't be odd.
10
The odd numbers between 1 and 10 are 1, 3, 5, 7, and 9.