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If a:b = 7:8 and b:c = 4:5, then a:c equals?
  1. 28:40
  2. 7:10
  3. 14:20
  4. None of these
Explanation

a:b = 7:8

b:c = 4:5

Make b same:

a:b = 14:16

b:c = 16:20

Therefore, a:c = 14:20 = 7:10.


Last verified on 14-05-2026

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