alleryരണ്ട് സെറ്റുകളുടെ യൂണിയനിൽ 30 അംഗങ്ങളുണ്ട്. ഒരു സെറ്റിൽ 20 ഉം മറ്റൊന്നിൽ 18 ഉം ഉണ്ട്. അവർ എത്ര പേരെ പങ്കിടുന്നു?
A12
B10
C8
D6
Answer & Solution
Correct answer: C. 8
ഓവർലാപ്പ് = 20 + 18 - 30 = 8 അംഗങ്ങളെ രണ്ടുതവണ എണ്ണി.
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