Math MCQ: Two pipes fill a tank in 30 hours and 40 hours. If both are opened together for 10 hours and then the slower pipe is closed, how long will the faster pipe take to fill the remaining tank?

Two pipes fill a tank in 30 hours and 40 hours. If both are opened together for 10 hours and then the slower pipe is closed, how long will the faster pipe take to fill the remaining tank?

Correct Answer: 12 hours

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WhatsApp+91 99922 70404Math MCQ: Two pipes fill a tank in 30 hours and 40 hours. If both are opened together for 10 hours and then the slower pipe is closed, how long will the faster pipe take to fill the remaining tank? | Extra Education