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Five years ago the ages of Mehul and Nisha were in the ratio 4 : 5. Today the ratio is 5 : 6. How old is Mehul now, in years?

Competition practiceRatio, Proportion & Mixtures
  • A25
  • B30
  • C20
  • D24

Step-by-Step Solution

Five years ago the ages were 4k and 5k. (4k + 5)/(5k + 5) = 5/6 gives 24k + 30 = 25k + 25, so k = 5. Mehul is now 20 + 5 = 25.
Answer: A) 25

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