In a group of 15, 7 have studied Latin, 8 have studied Greek, and 3 have not studied either. How many of these studied both Latin and Greek?
সমাধান
সঠিক উত্তর: Option B
In the group of 12 who have studied at least one, 7 have studied Latin and 8 have studied Greek. 7+8=15, which is 3 larger than 12. Therefore, 3 students studied both.
