‘A’ alone can do some work in 10 days. ‘B’ and ‘C’ together can do the same work in 4 da

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Letthetotalworkbe20unitsLCM10and4SoefficiencyofA20102unitsdaySoefficiencyofB2x051unitdayEfficiencyofBandCtogether2045unitsdaySoefficiencyofC514unitsdaySotimetakenbyCtofinishtheworkalone2045days

Question

‘A’ alone can do some work in 10 days. ‘B’ and

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Question

‘A’ alone can do some work in 10 days. ‘B’ and

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