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If a : b = 4 : 5 and b : c = 3 : 2, then a : c equals?
  1. 12:10
  2. 6:5
  3. 8:10
  4. None of these
Explanation

Make b the same in both ratios:  

a : b = 4 : 5 = 12 : 15

b : c = 3 : 2 = 15 : 10

So a : b : c = 12 : 15 : 10

Therefore a : c = 12 : 10 = 6 : 5


Last verified on 07-05-2026

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