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If a/b = 9/10 and b/c = 5/6 then a:c equals?
  1. 3:4
  2. 2:3
  3. 5:3
  4. None of these
Explanation

Given:  

a/b = 9/10  

b/c = 5/6  

Multiply both equations:  

(a/b) × (b/c) = (9/10) × (5/6)  

a/c = 45/60  

a/c = 3/4  

So a:c = 3:4.


Last verified on 23-05-2026

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