A alone completes a work in 10 days.A and B worked together for 3 days.A is 50% more efficient than After A,C worked for 3 days.In how many days B alone finish this work if 13% work done?
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If A is twice as good workman as C, how long would he take to complete the same work by working alone? 70,498 Views.
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when a, b and c together do 87% of the work
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