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ATQ, 249 + 123 = 372 372 + 123 = 495 495 + 123 = 618 618 + 123 = 741 741 + 123 = 864 Therefore, 249 should come in place of 259
If 18 men working 18 hours a day can make 18 quilts in 18 days, then in how many days 27 men working 12 hours per day will make 27 quilts?