A mixture contains milk and water in the ratio 3:2. On adding 10 litters of water, the ratio of milk to water becomes 2:3. Total quantity of milk & water before adding water to it? Choose the correct choice from the following answers:	A) 10	B) 30	C) 50	D) 20	E) 30
Explanation:   milk:water = 3:2   after adding 10 liters of water   milk:water = 2:3   Olny water patrs increase when mixture of water   milk:wate = 3:2 = 2*(3:2) = 6:4   after adding 10 liters of water   milk:water = 2:3 = 3*(2:3) = 6:9   milk parts always same   Short cut method:   milk:water = 6 : 4   after adding 10 liters of water   milk:water = 6 : 9   milk is same but water increse 10liters then the water ratio is increse 5 parts   5 part -----&gt; 10 liters   The quantity of milk in the original mixture is = 6 : 4 = 6 + 4= 
<gadget id="calculator">6 + 4</gadget>
<output>10</output>
10   10 parts -----&gt; 20 liters (Answer is= 20)   Short cut method - 2 : for Only milk problems   milk : water   6 : 4   6 : 9   milk ratio same but water ratio 5 parts incress per 10 liters   5 part of ratio -------&gt; 10 liters   10 part of ratio ------&gt; 20 liters   Answer: Option 20
<result>D</result>
A mixture contains milk and water in the ratio 3:2. On adding 10 litters of water, the ratio of milk to water becomes 2:3. Total quantity of milk & water before adding water to it?