A machine makes 500 rubber balls in 30 minutes .how many rubber balls – InterviewSolution

1.	A machine makes 500 rubber balls in 30 minutes .how many rubber balls will it make in 7/2 hours.
Answer» 30 MINUTES =30/60=1/2In 1/2 HOURS ball makes by MACHINE =500. In 1 hours BALLS make by machine =5002/1=1000 balls In 3 1/2(7/2)hours balls make by machine =5002*7/2=3500 balls

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