When you divide 21 by 2, you get the quotient of 10.5. This is because 21 divided by 2 equals 10.5. In mathematical terms, 21 ÷ 2 = 10.5. The result is a decimal because 21 is not evenly divisible by 2.
5
21
105 can be divided by 1, 3, 5, 7, 15, 21, 35, 105.
21
The average is 35. (21 + 35 + 49 (=105), divided by 3.)
21
105
105
21
0.019
0.019
105