how many two digits numbers are divisible by 3

There are 30 two-digit numbers that are divisible by 3.

To find the answer, we can list down all the two-digit numbers and check which ones are divisible by 3. The two-digit numbers range from 10 to 99.

By observing the pattern, we can see that every third number is divisible by 3. So, we can start with 12 and keep adding 3 to find the next number divisible by 3.

12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99

Counting these numbers, we find that there are 30 two-digit numbers divisible by 3.

Reference:

– Mathwarehouse.com: https://www.mathwarehouse.com/arithmetic/numbers/divisibility-rules.php