23 is an odd number between 10 and 30 that gives a remainder of 2 when divided by 7.
Ten
10.
20 is between 10 and 30.
21 23 25 27 29
23 is an odd number between 10 and 30 that gives a remainder of 2 when divided by 7.
10
30
Ten
That number is 36.
10.
There are 7 odd numbers between 16 and 30. To find this, you can subtract the largest odd number less than 30 (29) from the smallest odd number greater than 16 (17), then divide by 2 and add 1. So, (29-17)/2 + 1 = 7 odd numbers between 16 and 30.
20 is between 10 and 30.
15
Even number.
The sum of 3 odd numbers is odd while 30 is an even number. So there is not a valid answer in the normal sense. However, in base 9, 5 + 6 + 17 = 30 [In base 10, the above is 5 + 6 + 16 = 27]
10, 30, 50, 70, 90