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A Can Do A Price Of Work In 30days While B Can Do It In 40 Days. In How Many Days Can A And B Working Together Do It?

Answer»

(A +B)’s 1 day’s WORK = (1/30 + 1/40) = 7/120

Time is TAKEN by both to finish the work = 120/7 DAYS 

= 17 1/7 days.

(A +B)’s 1 day’s work = (1/30 + 1/40) = 7/120

Time is taken by both to finish the work = 120/7 days 

= 17 1/7 days.



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