alleryമൂന്ന് വ്യത്യസ്ത ഗ്രൂപ്പുകളിൽ 20, 15, 10 അംഗങ്ങളുണ്ട്, പൊതുവായ അംഗങ്ങളൊന്നുമില്ല. മൂന്നിലും ആകെ എത്രയാണ്?
A30
B40
C35
D45
Answer & Solution
Correct answer: D. 45
ഓവർലാപ്പ് ഇല്ലാതെ, യൂണിയൻ ഒരു പ്ലെയിൻ തുകയാണ്: 20 + 15 + 10 = 45.
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