সব প্রশ্নে ফিরে যান
Math
In a mixture of 30 liters, the ratio of acid and water is 7 : 3. How much more water is to be added to get a new mixture containing acid and water in the ratio of 3 : 7?
A) 30 liters
B) 25 liters
C) 40 liters
সঠিক উত্তর
D) 35 liters