allery50 સભ્યોની એક ક્લબમાં, 28 ચેસ રમે છે, 24 કેરમ રમે છે અને 8 બેમાંથી એક પણ રમત રમતા નથી. બંને રમતો રમતા હોય તેવા કેટલા સભ્યો છે?
A10
B12
C14
D16
Answer & Solution
Correct answer: A. 10
યોગ = 50 - 8 = 42. બંને રમતા સભ્યો = n(Chess) + n(Carrom) - યોગ = 28 + 24 - 42 = 10.
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