1,3,5,7,9,11,13,15,17,19,21
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First odd number greater than 20 is 21 Last odd number less than 200 is 199 → number of odd numbers between 20 and 200 is (199 - 21) ÷ 2 + 1 = 90
There are 8 odd numbers less than 50 that are divisible by 3 They are 3, 9, 15, 21, 27, 33, 39, and 45.
21, 23 ... (19, both numbers would be odd) Do you know what odd and even means?
The even whole numbers greater than 21 and less than 28 are: 22, 24 and 26
45