alleryരണ്ട് ക്ലബ്ബുകളിൽ ഒരുമിച്ച് 50 അംഗങ്ങളുണ്ട്. A ക്ലബ്ബിൽ 32 ഉണ്ട്, B ക്ലബ്ബിൽ 28 ഉണ്ട്. രണ്ടിലും എത്ര പേരുണ്ട്?
A8
B12
C10
D18
Answer & Solution
Correct answer: C. 10
ഓവർലാപ്പ് 32 + 28 - 50 = 10 ആണ്, അംഗങ്ങളെ രണ്ടുതവണ എണ്ണി.
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