A,B and C are employed to do apiece of work for Rs.529. A and C are supposed to finish 19/23 of the work together. How much shall be paid to B? Choose the correct answer:
A) 10  B) 11  C) 12  D) 14  E) 16

Rationale: c 12 12 men can complete a work in 18 days . six days after they started working , 4 more men joined them . how many days will all of them together complete the remaining work ?
Answer: C