Question

p and q finish a piece of work in 60 days ,q and r can fjnish the work in 48 days whereas r and p can finish the same work in 40 days . they all work together for 20 days . tgen q and r leave . how many mire days will p take to finish the work​

Answer 1

Answer:

p+q=60

q+r=48

r+p=40

p+q+r=20

Ans :20days.