Multiple choice

The average score of 5 students increases by 3 marks when a new pupil comes in place of one of them who has scored 65 marks. What might be the score of the new pupil?

  1. 80

  2. 95

  3. 90

  4. 83

  5. None of these

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Average increases by 3 marks for 5 students, meaning total increase = 3 × 5 = 15 marks. The new pupil replaces someone who scored 65. Therefore new pupil's score = 65 + 15 = 80. Option A is correct.