One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in 36 minutes, then the slower pipe alone will be able to fill the tank in-

Question

নিচের অপশন গুলা দেখুন

• 144 min
• 81 min
• 108 min
• 14 hours

Answer 1

সঠিক উত্তর হচ্ছে: 14 hours

ব্যাখ্যা: Work done by the leak in 1 hour =(1/2-3/7)=1/14