16 men can complete a work in 18 days. If 21 men work at the same rate, the work will be completed in: MCQ with Answer and Explanation
Question
Report Error
Discuss this Question (0)
Practice More Time and Work Questions
Question #1
Report Error
A can complete a work in 20 days and B can complete the same work in 25 days. If they work together, in how many days will the work be completed?
Correct Answer: Option B
Explanation:
Combined rate = 1/20 + 1/25. Time = 1 ÷ combined rate = 11.11 days.
Combined rate = 1/20 + 1/25. Time = 1 ÷ combined rate = 11.11 days.
This question belongs to:
Maths
Time and Work
Question #2
Report Error
A and B work together. A alone can complete the work in 30 days and B alone in 30 days. What percentage of the total daily work is contributed by A?
Correct Answer: Option A
Explanation:
A share = (1/30) / (1/30+1/30) ×100 = 50.0%.
A share = (1/30) / (1/30+1/30) ×100 = 50.0%.
This question belongs to:
Maths
Time and Work
Question #3
Report Error
A can complete a work in 32 days. What percentage of the work will be completed in 7 days?
Correct Answer: Option C
Explanation:
Completed percentage = (7/32)×100 = 21.88%.
Completed percentage = (7/32)×100 = 21.88%.
This question belongs to:
Maths
Time and Work
No comments yet. Be the first to start the discussion!