Question

A, B, and C can do a piece of work in 6 days. If A alone can do this work in 36 days and B alone can do it in 12 days, then in how many days will C alone complete the work?

A 12 days Correct Answer Incorrect Answer
B 18 days Correct Answer Incorrect Answer
C 36 days Correct Answer Incorrect Answer
D 16 days Correct Answer Incorrect Answer

Solution

A+B+CABC 63612 36 (total work) 6132 (total efficiency) Efficiency of C = (A+B+C)-(B+A) =6-4=2 C alone complete the work =36/2 =18days 

Practice Next
×
×