Question

A contractor gives a contract to ‘X’ for building a wall in 8 days. After 2 days of starting of work he realize that he will be able to finish 64% of work in the contracted time, so he invite Y and Z due to which they complete the work on 6th day from starting. At the end, if ratio of money received by X, Y and Z is 12 : 8 : 5 then find in how many days Z can alone complete the work?

Answer 1

Answer:

12+8+5=25 is the answer