Multiple choice

If the sum of ages of P and Q is 55 years, and the difference between Q and P’s ages is 5 years, what is Q’s present age?

  1. 25

  2. 30

  3. 24

  4. Data inadequate

  5. None
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

P + Q = 55 (1) -P + Q = 5 (2) (P + Q) + (-P + Q) [Adding (1) and (2)] = 2Q = 60 = Q = 30

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