1.

A, B and C can do a piece of work in 18, 24 and 36 days, respectively. They work alternately, first day C, second day B and third day A, fourth day C and so on. How many days will be needed to complete the work like this way ?

A. 18
B. 20
C. 24
D. 30
E. 36
Answer» D. 30


Discussion

No Comment Found

Related MCQs