Question

14. Three typists working 8 hours a day type a document in 10 days. If only 2 typists are
working, how many hours a day should they work to finish the job in 12 days?​

Answer 1

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Answer:

The job takes 3*8*10=240 typist-hours.

2 typists working x hours per day perform 2x typist-hours per day.

So, 2x*12 = 240

x = 10 hours per day

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Answer 2

Number of hours worked by three typist in 10 days for 8 hours = 3 × 8 × 10 = 240 hours

If only two typist will work for 12 days, then the relation will be like this....

Let no. of hours = x

No. of hours to work each day = 240/ 2 × 12

x = 10 hours ................ Answer