alleryएक टंकी एक-चौथाई भरी हुई है। एक पाइप पूरी टंकी को 12 घंटे में भर सकता है। शेष टंकी कितने समय में भरेगी?
A9 घंटे
B10 घंटे
C8 घंटे
D3 घंटे
Answer & Solution
Correct answer: A. 9 घंटे
शेष भाग = 3/4 भाग, जिसे भरने में लगा समय = (3/4) × 12 = 9 घंटे।
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