Multiple choice

A container contains 8500 litres of a mixture that contains 65\% of salt and rest is water. If 650 litres of water is added to it then what is the ratio of salt and water in the new mixture?

  1. $118 : 145$
  2. $221 : 145$
  3. $445 : 661$
  4. $661 : 445$
  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Initial salt = 8500 × 0.65 = 5525 litres. Initial water = 8500 - 5525 = 2975 litres. After adding 650 litres water: new water = 2975 + 650 = 3625 litres. Ratio salt:water = 5525 : 3625. Dividing by 25: 221 : 145.