Question

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. If B had not joined the work and C had joined the work 4 days, after A, from then on A anc C would have worked till the work was completed, then how many days would it have taken to complete the work?

• A. 15
• B. 16
• C.
• D.

Answer 1

Answer: (B)