Question: How quizers solve this DIAGNOSTICS Question 21 /100 An Engineering firm designates two employees every shift in the same type of work. The work can

How quizers solve this

DIAGNOSTICS Question 21 /100 An Engineering firm designates two employees every shift in the same type of work. The work can be done by Allen and Marco in 15 hours, Allen and Jonas in 12 hours and by Marco and Jonas in 25 hours. Find how long would it take all of them together to complete the job

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