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SSC CHSL 2021 · PYQ · Ratio and Proportion · medium

Two numbers A and B are in the ratio 13 : 17. If A is increased by 15% and B is increased by 30%, then the new ratio of A and B will be:

  1. A.23 : 34✓ Correct
  2. B.23 : 33
  3. C.21 : 29
  4. D.21 : 31

Explanation

New A = 13 × 1.15 = 14.95, New B = 17 × 1.30 = 22.1. Ratio = 14.95 : 22.1 = 1495 : 2210 = 299 : 442 = 23 : 34. So the new ratio is 23:34.
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