Aman, Raman and Yash together can complete a piece of work in 29 days. Raman and Yash together can complete the same work in 58 days. Aman, Raman and Yash started working together but Aman left the work after 15 days from starting. Find the number of days in which Raman and Yash completed the remaining work.

A

54 days

B

21 days

C

50 days

D

28 days