What is the time required to punch 1500 cards of 50 column each at the rate of 10,000 punches per hour?
What is the time required to punch 1500 cards of 50 column each at the rate of 10,000 punches per hour?
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1500 Cards
50 Columns
=>1500*50=75,000
10,000punches=1hour
thus
75,000/10,000=7.5
Thus
7 and a half hours ie 7 hrs 30 min
7 Hr 30 Min