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Multiple choice

12 persons have Rs 49 on an average. If a person with Rs 55.5 join them, then what will be the new average (in Rs)?

  1. $49.5$
  2. $50$
  3. $49.75$
  4. $50.25$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Total for 12 persons = 12×49 = Rs. 588. New total with 13th person (Rs. 55.5) = 588 + 55.5 = Rs. 643.5. New average = 643.5÷13 = 49.5. Option A is correct.

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