If 4 typists work 6 hours a day,they can type a book in 20 days.How many days will 2 typists take to do the same job,if each work 8 hours a day ?
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Answer:
30 days
Step-by-step explanation:
In first case:
Number of typists= 4
Number of hours 1 typist work in a day= 6
Working hours of 4 typists in a day= 4*6= 24(1 day)
Total Working hours of 4 typists in 20 days= 24*20= 480hours
In second case:
Total time taken to type a book= 480hours
Number of typists= 2
Number of hours 1 typist work in a day= 8
Working hours of 2 typists in a day=2*8= 16
Number of days 2 typists will take to do the same job= = 30 DAYS
Hope this helps you...