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Question
A does half as much work as B in one sixth of the time. If together they take 10 days to complete a work. how much time shall B take to do it alone.
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Answer
let A - > W/2 work in T/6
let B -> W work in T
A -> 3 units / day
B -> 1 unit / day
A + B work in 10 days = 40 units
B alone = 40 / 3
