alleryസെറ്റ് A യിൽ 18 അംഗങ്ങളും സെറ്റ് B യിൽ 12 അംഗങ്ങളും A യും B യും 5 അംഗങ്ങളും പങ്കിട്ടാൽ യൂണിയനിൽ എത്ര അംഗങ്ങളുണ്ട്?
A20
B25
C35
D30
Answer & Solution
Correct answer: B. 25
യൂണിയൻ = 18 + 12 - 5 = 25, കാരണം പങ്കിട്ട അംഗങ്ങളെ ഒരിക്കൽ മാത്രമേ എണ്ണാവൂ.
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