Two numbers are in the ratio of 3:7. If 5 is subtracted from each of the numbers, the ratio becomes 4:11. The numbers are
Question and options
Two numbers are in the ratio of 3:7. If 5 is subtracted from each of the numbers, the ratio becomes 4:11. The numbers are
- 18,42
- 12,28
- 15,35
- 21,49
Answer and explanation
Correct answer: D - 21,49
Let the numbers be 3x and 7x: (3x-5)/(7x-5) = 4/11 gives 33x - 55 = 28x - 20, so x = 7. The numbers are 21 and 49. Check: 16/44 = 4/11.
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CUSAT CAT LLM
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