Working alone A can do the task in 27 hours and B can do it in 54 hours. Find C’s share if A, B and C get paid Rs.4320 for completing a task in 12 hours on which they worked together?
Answer & explanation
Correct answer: option 3
Efficiency of C = (A+B+C) - (A+B) = 3R
Efficiency A : B : C
4 : 2 : 3
Total amount 9R = 4320
1R = 480
Share of C 3R = 1440