alleryગણ A માં 48 સભ્યો છે અને તેમાંથી 18 B માં પણ છે. A માં હોય પરંતુ B માં ન હોય તેવા કેટલા સભ્યો છે?
A30
B66
C18
D48
Answer & Solution
Correct answer: A. 30
માત્ર A માં રહેલા સભ્યો 48 - 18 = 30 છે.
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