A, B and C can do a piece of work in 24, 30 and 40 days respectively. – McqOptions

MCQOPTIONS

1.	A, B and C can do a piece of work in 24, 30 and 40 days respectively. They began the work together but C left 4 days before completion of the work. In how many days was the work done ?
A.	13
B.	11
C.	12
D.	14
Answer» C. 12

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