A complet work in 10 days and b complet work in7 days in how many days work is completed if they work togethier
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A complet work in 10 days
∴A complet work in 1 day = 1/10 part of the work
B complet work in7 days
∴ Bcomplet work in 1 day =1/7 part of the work
they work togethier and complete the work in 1 day =1/10 +1/7 days
⇒[7+10] /70 days [ lcm =70]
⇒17/10 days
∴the whole work can be compleated in 1÷[17\70 ]days =70/17 days
70/17 days [convert this in to mixed fraction this is your ans]
4 ²/17 days ans
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