1.

A can do a picec of work in 10 days and B is 25% more efficient than A. In what time will the work be finished if A and B work together ?

Answer»

`4 4/9` days
`5 5/7` days
5 days
`6 2/3` days

Solution :Time TAKEN by `B= 10xx 100/125 = 8 ` days
Required days = ` (8xx10)/18 = 4 4/9` days
`= 10 DIV (1+1.25)= 10/2.25 = 40/9=4 4/9`


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