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Question
A girl did half of some work on Monday and one-third of it on Tuesday. How much will she have to do on Wednesday in order to complete the work?
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Solution
Let total work done = 1
Work done on Monday = `1/2`
Work done on Tuesday = `1/3`
Work done on Wednesday = Remaining work
= `1-(1/2+1/3)`
= `1-(3+2)/6=1-5/6`
= `(6-5)/6=1/6`
Work done on Wednesday = `1/6` of work
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