A can complete a piece of work in 4 days. B takes double the time take – McqOptions

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1.	A can complete a piece of work in 4 days. B takes double the time taken by A, C takes double that of B, and D takes double that of C to complete the same task. They are paired in groups of two each. One pair takes two-thirds the time needed by the second pair to complete the work. Which is the first pair?
A.	A, B
B.	A, C
C.	B, C
D.	A, D
Answer» E.

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