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Exam Pattern Mix Question 47 – answer, explanation & discussion

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Question 47 Back to Exercise

The product of two numbers is 1,575 and the larger divided by the smaller is 9/7. What is their sum?

  • A 80 Correct
  • B 75
  • C 90
  • D 70
Correct Answer: Option A

Let the numbers be 9k and 7k.

63k² = 1,575 → k² = 25 → k = 5

Numbers 45 and 35 → sum 80

Answer: 80

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