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A pipe can fill a pot in 8 hours and another tap can empty it in 16 hours. If both the taps are open, the time (in hours) taken to fill the pot will be:1. 82. 103. 164. 24 |
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Answer» Correct Answer - Option 3 : 16 Given: A pipe can fill a pot in 8 hours and another tap can empty it in 16 hours Concept: If a tap can fill a tank in x hours, then the tank filled by the tap in 1 hour = 1/x of the total tank. Calculation: Part of the pot filled in 1 hours = 1/8 Part of the pot emptied in 1 hours = 1/16 When both the pipe are opened simultaneously, Part of pot filled in 1 hours ⇒ (1/8) – (1/16) ⇒ (2 – 1)/16 ⇒ 1/16 ∴ The pot will be filled in 16 hours. |
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