A and B polish a the floors of a building in 18 days . A alone can do 1/6 of this Job in 4 days in how many days can B alone polish the floors
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35
A and B polish in 1 day = 1/18
A in 1 day= 1/24
A in 1 day + B in 1 day = A and B in 1 day
1/24 + B = 1/18
B= 1/18 - 1/24
= 0.05-0.041
= 0.009
So B alone = 1000/9 = 111.1
A in 1 day= 1/24
A in 1 day + B in 1 day = A and B in 1 day
1/24 + B = 1/18
B= 1/18 - 1/24
= 0.05-0.041
= 0.009
So B alone = 1000/9 = 111.1
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16
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