Answer-A work can be completed by P and Q working separately in 12 and 18 days, respectively. But they work...

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Let the total work  LCM of 12 and 18 36 A can complete work 12 days Work does in one day 36 12  3 unit B can complete work 18 days 36 Work done in one day36 18  2 unit As they work for alternate days, In 2 days, work completed is 2 days  3 unit  2 unit 2 days 5 unit 14 days 35 unit The remaining work  36-35 1 On the last day, A has to work days Total days 14 days 13 days 14 13days

A work can be completed by P and Q working separately in 12 and 18 days, respectively. But they work on alternate days beginning with P. How many days will it take to complete the work?

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