Question

X can do a work in 15 days. After working for 3 days he is joined by Y. If they complete the remaining work in 3 more days, in how many days can Y alone complete the workX can do a work in 15 days. After working for 3 days he is joined by Y. If they complete the remaining work in 3 more days, in how many days can Y alone complete the work​

Answer 1

Answer:

y alone will Take Only 5 days.

Step-by-step explanation:

after 3 days work remaining is 4/5 and Joint speed is 1/15+ 1/y .

at this speed they finish 4/5 work in 3 Days.