allery100 మంది ఉన్న ఒక సమూహంలో 60 మంది ఈత కొడతారు, 45 మంది సైక్లింగ్ చేస్తారు మరియు 15 మంది రెండింటినీ చేయరు. రెండింటినీ చేసేవారు ఎంతమంది?
A20
B25
C15
D30
Answer & Solution
Correct answer: A. 20
85 మంది కనీసం ఒకదానిని చేస్తారు, కాబట్టి రెండింటినీ చేసేవారు = 60 + 45 - 85 = 20.
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