By Mansi Yadav

Verified by Ajay Kumar

Two numbers are in the ratio 5: 9. When 4 is subtracted from the first number, and 6 is added to the second number, the resulting ratio becomes 1: 2. Find the sum of the original numbers.

  1. 152

  2. 138

  3. 184

  4. 196

Answer: D

Solution

Solution: Let the numbers be \(5x\) and \(9x\). \(\frac{5x-4}{9x+6}=\frac12\Rightarrow10x-8=9x+6\Rightarrow x=14\). Sum \(=(5+9)\times14=196\). Trick: Represent the numbers using the ratio parts and solve the resulting linear equation.

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