A jar of capacity 120 ounces is filled with milk to the brim. On the first day x ounces of milk is replaced with water. Then on the second day (120- x) ounces of milk is replaced with water. Again on the third day x ounces of milk is replaced with water followed by replacement of (120 - x) ounces on the fourth day and so on, i.e., on the odd days (x) ounces are replaced with water where as on the even days (120 - x) ounces are replaced with water. If the concentration of milk in the jar at the end of day five is maximum, then the value of x in ounces.
a] 60 b] 48 c]120 d] 72
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