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Two men and three women can repair a bridge in 10 days while three men and two women can to same work in 8 days. If two men and one woman are used to finish this work , in how many days they will complete it?

Correct Answer: 12.5 days
10 days (2m + 2w) can repair a bridage = 1 part 1 " " " " 110"ATQ,10 (2m  + 3w)  = 8(3m + 2w) ⇒20m  + 30 w  = 24m  + 16 w  ⇒4m  = 14 w⇒2m  = 7wagain, 2m  + 3w  = 110⇒7w + 3w = 110⇒10w  = 110⇒w = 1100.'. 2m  +  w = 7w  +  w = 8w = 8×1100 = 225225 can finish the work in  = 1 day 1 or (complite) " "  = 252 " = 12.5 days 

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