- A15 days
- B25 days
- C10 days
- D9 3/8 days
Step-by-Step Solution
A: whole in 15 days. B: whole in 25 days. , so days.
Answer: D) 9 3/8 days
A can do 1/3 of a job in 5 days and B can do 2/5 of it in 10 days. How long will they take together to do the whole job?
Class 8Time and WorkDirect and Inverse Proportions
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