alleryજો 45 લોકોને ચા ગમતી હોય અને તેમાંથી 18 લોકોને કૉફી પણ ગમતી હોય, તો કેટલા લોકોને ચા ગમે છે પણ કૉફી નહીં?
A33
B18
C27
D63
Answer & Solution
Correct answer: C. 27
ફક્ત ચા પસંદ કરનારા લોકો ચાના વર્તુળમાં છે પરંતુ ઓવરલેપની બહાર છે: 45 - 18 = 27.
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