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f 9 examiners can examine a certain number of answer books in
12 days , working 5 hours a day ; for how many hours a day
would four examiners have to work in order to examine twice
the number of answer books in 30 days ?
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Answer Posted / san
Lets assume the booklet is one.. so
to correct one booklet
it requires 9*12(days)*5(hours) = 1
Now we have to calculate
4*30(days)*x(hours) = 1
x=(9*12*5)/(4*30)
x= 4.5 hours//..
| Is This Answer Correct ? | 4 Yes | 11 No |
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