Question

The number of integers that must be chosen from 1 to 10 such that at least two of them add up to 11 is .

Answer 1

Answer:

There are many numbers that add up to 11

Example:

1. 1+10 = 11

2. 2+9 = 11

3. 3+8 = 11

4. 4+7 = 11

5. 5+6 = 11

6. 6+5 = 11

7. 7+4 = 11

8. 8+3 = 11

9. 9+2 = 11

10. 10+1 = 11

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