hard · GMAT Quant
Integers X and Y are selected independently and uniformly from the integers 0 through 12.
Given that 10≤X+Y≤16 and |X-Y|≥4, what is the probability that (X+Y)/2 is an integer that is not divisible by 3?
- dfrac427
- dfrac827
- dfrac12
- dfrac1627
- dfrac1127
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