Mathematics
Medium
Question
Bilal can do a work in 15 days and Jalal in 12 days. If they work on it together for 4 days, the fraction of work that is left is________?
A
3/5
B
4/7
C
2/5
✓ Official correct answer
D
1/4
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
3/5
No member explanations yet for this option.
B
4/7
No member explanations yet for this option.
C
2/5
No member explanations yet for this option.
D
1/4
No member explanations yet for this option.