alleryएक पंप किसी टंकी को 5 घंटे में भरता है, लेकिन रिसाव के कारण इसे भरने में 6 घंटे लगते हैं। अकेला रिसाव इसे कितने समय में खाली कर देगा?
A30 घंटे
B11 घंटे
C25 घंटे
D20 घंटे
Answer & Solution
Correct answer: A. 30 घंटे
रिसाव की दर = 1/5 - 1/6 = 1/30 प्रति घंटा है, अतः खाली करने में 30 घंटे लगेंगे।
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