allery120-ൽ നടത്തിയ ഒരു സർവേയിൽ, 70-ന് ആപ്പിളും 50-ന് മാമ്പഴവും ഇഷ്ടപ്പെട്ടു; 20-ന് രണ്ടും ഇഷ്ടപ്പെട്ടു. എത്ര പേർക്ക് ആപ്പിൾ മാത്രം ഇഷ്ടപ്പെട്ടു?
A50
B60
C30
D40
Answer & Solution
Correct answer: A. 50
ആപ്പിൾ സർക്കിളിൽ ആപ്പിൾ മാത്രം = 70 - 20 = 50 ആളുകൾ, പക്ഷേ ഓവർലാപ്പിന് പുറത്താണ്.
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