Mathematics
Medium
Question
A and B can finish a piece of work in 20 days .B and C in 30 days and C and A in 40 days. In how many days will A alone finish the job?
A
48
✓ Official correct answer
B
34(2/7)
C
44
D
45
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
48
No member explanations yet for this option.
B
34(2/7)
No member explanations yet for this option.
C
44
No member explanations yet for this option.
D
45
No member explanations yet for this option.