1.

Q: M, N and O can complete the work in 18, 36 and 54 days respectively. M started the work and worked for 8 days, then N and O joined him and they all worked together for some days. M left the job one day before completion of work. For how many days they all worked together?

A. 4
B. 5
C. 3
D. 6
Answer» C. 3


Discussion

No Comment Found