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45 men can complete a work in 16 days. 4 days after they started working, 36 more men joined them. How many days will they now take to complete the remaining work?

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Important Questions on Time and Work

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BSF GD Constable
IMPORTANT
Haryana Staff Selection Commission Recruitment Exam - Mathematics>Chapter 11 - Time and Work>Exam Pattern Questions>Q 30
Some persons can do a piece of work in 12 days. Two times the number of such persons will do half of the work in?
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BSF GD Constable
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Haryana Staff Selection Commission Recruitment Exam - Mathematics>Chapter 11 - Time and Work>Exam Pattern Questions>Q 31
A can do 16 of a work in 5 days and B can do 25 of the work in 8 days. In how many days, can both A and B together do the work?
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BSF GD Constable
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Haryana Staff Selection Commission Recruitment Exam - Mathematics>Chapter 11 - Time and Work>Exam Pattern Questions>Q 32
A, B and C individually can do a work in 10 days, 12 days and 15 days, respectively. If they start working together, then the number of days required to finish the work is?
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BSF GD Constable
IMPORTANT
Haryana Staff Selection Commission Recruitment Exam - Mathematics>Chapter 11 - Time and Work>Exam Pattern Questions>Q 33
Working 8 hr a day, Anu can copy a book in 18 days. How many hours a day should she work so as to finish the work in 12 days?