allery60 మంది వ్యక్తుల సమూహంలో 35 మంది టీని, 30 మంది కాఫీని ఇష్టపడతారు మరియు 10 మంది ఈ రెండింటిలో దేనినీ ఇష్టపడరు. రెండింటినీ ఇష్టపడేవారు ఎంతమంది?
A25
B10
C15
D20
Answer & Solution
Correct answer: C. 15
50 మంది కనీసం ఒక పానీయాన్ని ఇష్టపడతారు, కాబట్టి రెండింటినీ ఇష్టపడేవారు = 35 + 30 - 50 = 15.
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