General Aptitude › Problems on Ages › Question #4440
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QTen years ago, the ratio of P's age to Q's age was 1:2. The present ratio of their ages is 3:4. What is the total of their present ages?

ID: #4440 Problems on Ages 191 views
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  • A 40 ✔ ✖
  • B 35 ✔ ✖
  • C 30 ✔ ✖
  • D 26 ✔ ✖
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Explanation

Let P's present age be 3x and Q's present age be 4x. Ten years ago, P's age was half of Q's age, so we can write this as: (3x - 10) = 1/2(4x - 10) Solving for x, we get: 6x - 20 = 4x - 10 2x = 10 x = 5 Thus, the total of their present ages is 7x = 7 * 5 = 35.

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