Mathematics · Time and Work
A and B can do a piece of work individually in 16 days and 10 days respectively. A started the work alone and after 4 days, B also joined him till the completion of the work. How many total days did they take to complete the entire work?
- 18 813 days✓
- 212 1213 days
- 312 813 days
- 48 1213 days
Correct answer
8 813 days
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