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:
Answer
The correct answer is A: 23 : 34. 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.
- A.23 : 34✓ Correct
- B.23 : 33
- C.21 : 29
- D.21 : 31
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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