πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      A vessel contains 300 litres of milk. Each time, x

      litres of the mixture are replaced with water, and this is done three times. If finally the vessel has 97.65 litres of water, calculate x.
      A 50 Correct Answer Incorrect Answer
      B 70 Correct Answer Incorrect Answer
      C 60 Correct Answer Incorrect Answer
      D 90 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      300 Γ— (1 – x/300)Β³ = 300 – 97.65 300 Γ— ((300 – x)/300)Β³ = 202.35 ((300 – x)/300)Β³ = 202.35/300 ((300 – x)/300)Β³ = 673/1000 ((300 – x)/300)Β³ = (0.88)Β³ (300 – x) = 0.88 Γ— 300 300 – x = 264 x = 36

      Practice Next
      More Mixture Questions
      ask-question