In a group of 15, 7 have studied Latin, 8 have studied Greek and 2 have not studied either. How many of these studied both Latin and Greek?
Solution
Correct Answer: Option B
মোট =ল্যাটিন +গ্রিক +উভয় -একটিও না
বা, 15=7+8+উভয় -3
বা, উভয় =15-12
অতএব , উভয় =3
বা, 15=7+8+উভয় -3
বা, উভয় =15-12
অতএব , উভয় =3
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