Question

Ankush and Preetam can do a work in 12 days while Preetam and Ashwini can complete the same work in 10 days.If Preetam is 20% less efficient than Ashwini, then in how many days will all the three working together will complete the same work?​

Answer 1

Answer: ankush and preetam can do a work in = 12

preetam and ashwini can do the work in =10

Step-by-step explanation:

12 + 10 =  22

preetam takes 22 days to complete the work

so,now we need to add all =

12+10+22=44

they take 44 days to complete the work