Qudurat GAT Practice
ArithmeticQuestion 322 of 550

If a : b = 2 : 3 and b : c = 4 : 5, what is a : c?

  1. 2 : 5
  2. 6 : 5
  3. 8 : 15
  4. 10 : 12
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Correct answer: 8 : 15

Make b the same in both ratios. Multiply the first by 4 and the second by 3. Then a : b = 8 : 12 and b : c = 12 : 15. So a : c = 8 : 15.

Test structure: ETEC guide to the GAT

Practice arithmetic

Questions last reviewed: 21 October 2026