Question

3. A can finish the work in 18 days and B can do the same work in 19
the work in 18 days and B can do the same work in 15 days. B alone worked for 10 days
and left the job. If A alone has to finish the remaining work, the number of days it takes is
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Answer 1

Answer:

I also need this question 's solution

Answer 2

Answer:

Step-by-step explanation:

18, 15 LCM = 9o

efficiency = 5,6 (A,B)

in first 10 days B did = 6*10 = 60 units

left to be done = 90-60 = 30 unit

This done by A now in = 30/5 = 6 days .(Ans.)