allery50 વિદ્યાર્થીઓના એક વર્ગમાં, 30 ક્રિકેટ રમે છે અને 25 ફૂટબોલ રમે છે. 10 બંને રમે છે. બેમાંથી એકપણ રમત ન રમતા હોય તેવા કેટલા વિદ્યાર્થીઓ છે?
A5
B15
C20
D10
Answer & Solution
Correct answer: A. 5
ઓછામાં ઓછી એક રમત રમનારા (યોગ) = 30 + 25 - 10 = 45. એકપણ ન રમનારા = 50 - 45 = 5.
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