a and b together can finish a piece of work in 12 days if A alone can finish the same work in 20m days,in how many days B alone can finish this work
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Answered by
1
Answer:
sorry but I don't know the anwer
Answered by
22
Answer:
30 days
Step-by-step explanation:
Both A and B can complete 1/12th work in one day
So, A+B=1/12 in one day
A alone can complete 1/20 th work
A=1/20 in one day
Now B alone how much work can complete
(1/20)+B=1/12
B =(1/12)-(1/20)
L.C.M of 12 and 20 is 60
B=( (5–3)/60)
B=2/60=1/30
So alone can complete 1/30th work in one day
B alone can complete the work in 30 days
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