Option 3 Amount of water hold by both the pitchers (Large + small) = 12 cups Let the small pitcher holds the water = S cups If the water hold by the large pitcher is twice the size of the small pitcher, then the amount of water hold by large pitcher = 2S Total amount water hold by both = S + 2S Equation for this situation will be, S + 2S = 12 Therefore, Option (3) will be the answer.