alleryએક શાળામાં, 80 વિદ્યાર્થીઓ કલા લે છે, 60 સંગીત લે છે અને 30 બંને લે છે. આ બંનેમાંથી ઓછામાં ઓછો એક વિષય કેટલા વિદ્યાર્થીઓ લે છે?
A90
B100
C105
D110
Answer & Solution
Correct answer: D. 110
ઓછામાં ઓછો એક = n(Art ∪ Music) = 80 + 60 - 30 = 110.
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