Physics · Venn Diagram
In a Venn diagram representing three professions, the region representing 'Doctors' is a triangle, and 'Singers' is a rectangle. If the overlapping region of Doctors and Singers contains the numbers 10 (who are also players) and 9 (who are not players), how many doctors are there who are also singers?
- 119✓
- 224
- 310
- 49
Correct answer
19
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