Question

P and q together can do a piece of work in 10 days, q and R can do the same work together in 12 days while P and R can do together in 15 days.
How long each well take to do it
simultaneously?​

Answer 1

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Add the three equations and divide by two to get the net equation.

Now subtract each individual equation from it to get the required answer.

Answer 2

Answer:

Step-by-step explanation:

4days will be answer