7200
2250
83
15
3, 7 and 11
-117
-31
29
All of its multiples from 3 to 999
The two numbers that multiply to 24 and add up to -11 are -3 and -8. When multiplied, -3 × -8 equals 24, and when added, -3 + -8 equals -11.
The two numbers that add up to 5 and multiply to -6 are 3 and -2. This is because 3 + (-2) = 1 and 3 * (-2) = -6. These two numbers satisfy both conditions given in the question.
109
3 and 4