A works twice as fast as B. If both of them together can finish a piece of work in 12 days, then B

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RK Edugalaxy

RK Edugalaxy

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A can complete a certain work in 15 days. B is 10% less efficient than A and C is 20% more efficient
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A can complete a certain work in 15 days. B is 10% less efficient than A and C is 20% more efficient
RK Edugalaxy
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'A' is 3 times as efficient as 'B' and therefore is able to complete a job in 36 days less than 'B'.
3:45
'A' is 3 times as efficient as 'B' and therefore is able to complete a job in 36 days less than 'B'.
RK Edugalaxy
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