A certain number of men could complete work in 40 days. If there were 20 men more the work could be completed in 20 days. The original number of men is
Correct answer D. 20
Tip: press A, B, C or D to answer, and N for the next question.
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More Time and Work questions
See allAhmar works twice as fast as Bina. If Bina can complete a work in 30 days the number of days taken by Ahmar and Bina to complete the work working together is
Correct answer D. 10 days
X can do a job in 16 days Y can do the same job in 20 days X Y and Z can do the job in 7.5 days. Alone Z can do the same job in
Correct answer D. 48 days
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Asghar can do a job in 60 days. And both Asghar and Babar can do the same job in 20 days working together. Babar alonge can do the some job in
Correct answer A. 30 days
Alia can complete an assignment in 5 days and Babar can complete the same assignment is 20 days. The time taken by both Alia and Babar to complete the assignment working together is
Correct answer C. 4 days
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