alleryજો ગણ A માં 18 સભ્યો હોય, ગણ B માં 12 સભ્યો હોય અને A તથા B માં 5 સભ્યો સામાન્ય હોય, તો યોગગણમાં કેટલા સભ્યો હશે?
A20
B25
C35
D30
Answer & Solution
Correct answer: B. 25
યોગગણ = 18 + 12 - 5 = 25, કારણ કે સામાન્ય સભ્યોની ગણતરી ફક્ત એક જ વાર થવી જોઈએ.
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