allery100 લોકોમાંથી, 30 માત્ર ગણ P માં છે, 25 માત્ર ગણ Q માં છે અને 20 બંનેમાં છે. બેમાંથી એકપણ ગણમાં ન હોય તેવા કેટલા લોકો છે?
A45
B35
C25
D15
Answer & Solution
Correct answer: C. 25
વર્તુળોની અંદર: 30 + 25 + 20 = 75, તેથી 100 - 75 = 25 બહાર રહે છે.
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