Q: What is the time required to punch 1500 cards of 45 column each at the rate of 9,000 punches per hour ?

Q: What is the time required to punch 1500 cards of 45 column each at

1.	Q: What is the time required to punch 1500 cards of 45 column each at the rate of 9,000 punches per hour ?
A.	8 hrs
B.	7 hrs 15 min
C.	7 hrs 30 min
D.	8 hrs 20 min
Answer» D. 8 hrs 20 min