Question

‘A’ alone can do some work in 22 days. ‘B’ and

Q: ‘A’ alone can do some work in 22 days. ‘B’ and ‘C’ together can do the same work in 12 d

Letthetotalworkbe132unitsLCM22and12SoefficiencyofA132226unitsdaySoefficiencyofB6x053unitdayEfficiencyofBandCtogether1321211unitsdaySoefficiencyofC1138unitsdaySotimetakenbyCtofinishtheworkalone1328165days

‘C’ together can do the same work in 12 days. If ‘B’ is half as efficient as ‘A’, then find the time taken by ‘C’ to complete the work alone.

A 10.5 days

B 11.5 days

C 16.5 days

D 19.5 days

E None of these

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‘A’ alone can do some work in 22 days. ‘B’ and

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