Mathematics
Medium
Question
P can lay railway track between two stations in 16 days. Q can do the same job in 12 days. With the help of R, they completes the job in 4 days. How much days does it take for R alone to complete the work?
A
9(3/5) days
✓ Official correct answer
B
9(1/5) days
C
9(2/5) days
D
10 days
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
9(3/5) days
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B
9(1/5) days
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C
9(2/5) days
No member explanations yet for this option.
D
10 days
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