easy · GMAT Quant
Kestrel Yard finishes a seven-region census of 38 analysts. Exclusive cover credit, cover equities, and a third mark are 8, 7, 6; exclusive pairs are 3, 2, 2; all-three is 1; none is 9.
How many analysts lie in exactly one of the three marks?
- 29
- 8
- 21
- 7
- 1
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