Question

P can finish a work in 18 days Q can finish a work in 15 days QR code for 10 days and left the job how many days does it alone to finish the remaining work​

Answer 1

Answer:

A=18Days

B= 15 Days

Total work =LCM of(18,15)

=(90)unit

efficiency of A=90/18=5 unit/days

efficiency of B =90/15=6 unit /day

B: Worked for 10 days , so 10 days work of B= 10×6=60 unit remaining work=(90-60)=30 Unit

So 30 unit is your answer

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