alleryகுழாய்கள் ஒரு தொட்டியை 12 மற்றும் 18 நிமிடங்களில் நிரப்புகின்றன. இரண்டும் 6 நிமிடங்கள் இயங்குகின்றன. நிரப்பப்பட்ட பின்னம்
A5/6
B1/2
C3/4
D2/3
Answer & Solution
Correct answer: A. 5/6
கூட்டு விகிதம் 1/12 + 1/18 = 5/36, மற்றும் 6 நிமிடங்களில் 30/36 = 5/6 கிடைக்கிறது.
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