Question

6. A can do a piece of work in 10 days and B in 20 days. They begin together but A leaves 2 days before
7. A water tank can be filled by two taps P and Q in 12 hours and 16 hours respectively. The full tank can
Rajat to finish the job alone?
the completion of the work. In how many days will the whole work be completed?
2
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Answer 1

Answer:

one questio. one answer

Step-by-step explanation:

thanks my answer