allery70, 40 എന്നീ ഗ്രൂപ്പുകളിൽ P എന്ന മാസികയും, 30 എന്ന മാസികയും, Q എന്ന മാസികയും, 10 എന്ന മാസികയും വായിച്ചു. എത്ര പേർ കൃത്യമായി ഒന്ന് വായിച്ചു?
A55
B50
C40
D45
Answer & Solution
Correct answer: B. 50
കൃത്യമായി ഒന്ന് = (40 - 10) + (30 - 10) = 50.
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