A and B started the work 'X' and they did for 2 days after 2 days A left the work and replaced by C. B and C both completed the remaining work in 6 days. A completed 16(2/3)% of total work. C and D together can complete the work in same time in which A alone can do. C is 50% more efficient than D. B who is 33(1/3)% less efficient than E. E can complete the Work Y in 30 days.
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