A is twice as efficient as B. If they complete a piece of work together in 14 days, how many days will A alone take to finish it? MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Time and Work Questions
Question #1
Report Error
A and B work together. A alone can complete the work in 24 days and B alone in 32 days. What percentage of the total daily work is contributed by A?
Correct Answer: Option B
Explanation:
A share = (1/24) / (1/24+1/32) ×100 = 57.14%.
A share = (1/24) / (1/24+1/32) ×100 = 57.14%.
This question belongs to:
Maths
Time and Work
Question #2
Report Error
A can complete a work in 30 days and B in 22 days. If both work together, in how many days will the work be completed?
Correct Answer: Option C
Explanation:
Combined rate = 1/30 + 1/22. Time = 12.69 days.
Combined rate = 1/30 + 1/22. Time = 12.69 days.
This question belongs to:
Maths
Time and Work
Question #3
Report Error
22 men can complete a work in 14 days. If 27 men work at the same rate, the work will be completed in:
Correct Answer: Option B
Explanation:
Total work = 308 man-days. Time = 308/27 = 11.41 days.
Total work = 308 man-days. Time = 308/27 = 11.41 days.
This question belongs to:
Maths
Time and Work
No comments yet. Be the first to start the discussion!