Muni takes 8 hours to do a job. Eshwar takes 10 hours to do the same job. How long should it take both of them, working together but indepently, to do the same job?

24/9

44/9

54/9

42/9

Muni and Eshwar to do the same job in 8 and 10 hours .So by using the formula i.e xy/x+y = 80/18 = 40/9 =4 4/9

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