UPSKILL MATH PLUS
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Learn more\(P\) and \(Q\) can do a piece of work in \(20\) days and \(30\) days respectively. They started the work together and \(Q\) left after some days of work and \(P\) finished the remaining work in \(5\) days. After how many days from the start did \(Q\) leave?
Number of days \(=\)
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