Mathematics
Medium
Question
P and Q can do a work in 30 days. Q and R can do the same work in 24 days and R and P in 20 days. They started the work together, but Q and R left after 10 days. How many days more will P take to finish the work?
A
10
B
8
C
18
✓ Official correct answer
D
19
Community credibility
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A
10
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B
8
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C
18
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D
19
No member explanations yet for this option.