Subject
Quantitative Aptitude
Topic
Unitary Method
If 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 4 examiners have to work in order to examine twice the number of answer books in 30 days?
If 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 4 examiners have to work in order to examine twice the number of answer books in 30 days?
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6খ)
8গ)
9ঘ)
10Explanation
9 examiners 12 days by working = 5 hours 1 " 1 " " " = 5 9 12 hours 4 " 30 " " " = (5 9 12) / (4 30 ) hours So, twice the work need twice time So answer is 4.5 2 = 9 hoursRelated questions
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