1. | A machine P can print one lakh books in 8 hours, machine Q can print the same number of books in 10 hours while machine R can print them in 12 hours. All the machines are started at 9 A.M. while machine P is closed at 11 A.M. and the remaining two machines complete work. Approximately at what time will the work (to print one lakh books) be finished ? |
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Answer: Option D Explanation:
So, the work will be finished approximately 2 hours after 11 A.M., i.e., around 1 P.M. |

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