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`        IF three persons namely A,B and C can do a work in 12 days,18 days and 19days respectively . If they all do the work for 10 days and then another person D completed the remaining work in 14 days , In how many days D alone can finish That work ?`
2 months ago

Saurabh Koranglekar
2944 Points
```							Dear studentRate of doing work of A, B, Cw/12, w/18, w/19Work in 10 days = w ( 1/12 + 1/18+ 1/19)= w*0.2Time req by D to finish 0.8 w = 14 daysTime taken to complete w work by D = 14/0.8 = 17.5 daysRegards
```
2 months ago
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### Course Features

• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions