Q:

B is 20% more efficient than A. A started the work and work for x days and then A is replaced by B. B completed the remaining work in x+8 days. Ratio of the work done by A and B is 2:3. In how many days A and B working together can complete the whole work?

• 1
  $$36{7\over11}$$
• 2
  35
• 3
  $$36{4\over11}$$
• 4
  None of these