alleryகணம் A-இல் 15 உறுப்புகள் உள்ளன மற்றும் அது 25 உறுப்புகளைக் கொண்ட கணம் B-க்குள் முழுமையாக அமைந்துள்ளது. A அல்லது B-இல் உள்ள உறுப்புகள் எத்தனை?
A40
B15
C25
D10
Answer & Solution
Correct answer: C. 25
A-இன் ஒவ்வொரு உறுப்பும் ஏற்கனவே B-இல் உள்ளது, எனவே சேர்ப்பு என்பது B-இன் 25 உறுப்புகள் மட்டுமே ஆகும்.
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