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GATE Electrical 2022 | General Aptitude Question: 3
Subject: General Aptitude
Paper: 2022
Question type: mcq
Three bells $P$, $Q$ and $R$ are rung periodically in a school. $P$ is rung every $20$ minutes; $Q$ is rung every $30$ minutes and $R$ is rung every $50$ minutes. If all the three…
Answer: A
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