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The ratio of two numbers is 4 : 5. If 6 is subtracted from each, the ratio becomes 3 : 4.
Find the larger original number.

Class 8Ratios and ProportionsComparing Quantities
  • A60
  • B27
  • C33
  • D30

Step-by-Step Solution

Let numbers be 4k and 5k. (4k - 6)/(5k - 6) = 3/4 gives 16k - 24 = 15k - 18, so k = 6. Larger = 5 * 6 = 30.
Answer: D) 30

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