Working alone A can do the task in 27 hours and B can do it in 54 hours. Find C's share (in Rs) if A, B and C get paid Rs 4,320 for completing a task in 12 hours on which they worked together.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 1440.
Efficiency of A = 4
Efficiency of B = 2
Efficiency of C = 9 – (4 + 2) = 3
9 units = 4320
Hence,
Share of C = 3 units = 
= 1440