The answer is 15.
The sum of the smallest 15 positive integers is 120. The sum of the smallest 15 negative integers is -120.
-15
5 & 10
The integers are 15 and 17.
Between 13 and 15 there is only one even integer: 14.
-15
There are none.
Their sum is: -33
Divide the sum of the three consecutive odd integers by 3: 45/3 = 15. The smallest of these integers will be two less than 15 and the largest will be two more than 15, so the three consecutive odd integers will be 13, 15, and 17.
The integers are 11, 13 and 15.
The integers are 13 and 15.