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?
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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
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