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In what ratio must be 40% acid solution and 70% acid solution mixed in order to get 50% acid solution?
  • a)
    1 : 2
  • b)
    2 : 1
  • c)
    1 : 3
  • d)
    3 : 1
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In what ratio must be 40% acid solution and 70% acid solution mixed in...
40% → 50% ← 70%
70 – 50 = 20
50 – 40 = 10
Ratio = 20:10 = 2:1
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In what ratio must be 40% acid solution and 70% acid solution mixed in order to get 50% acid solution?a)1 : 2b)2 : 1c)1 : 3d)3 : 1Correct answer is option 'B'. Can you explain this answer?
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