2
Direction : (8-11)
A, B and C can independently complete a piece of work in 20 days, 40 days and 60 days repectively. A worked alone for two days, then was joined by B. After another two days, C replaced A while B and C continued until the work was completed. After completion the contractor paid `142,80.
Find the difference (in `) between the piece of A and C in the amount paid by the contractor after the completion of the work.