A is thrice as good a workman as B, and takes 10 days less to do a pie – McqOptions

MCQOPTIONS

1.	A is thrice as good a workman as B, and takes 10 days less to do a piece of work than B takes. B alone can do the whole work work in
A.	24 days
B.	21 days
C.	15 days
D.	18 days
Answer» D. 18 days

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