Multiple choice

In a class average marks scored by 40 students is 86. When 5 highest maeks are excluded the average reduced by 1 mark, find the average of 5 highest students.

  1. 92

  2. 96

  3. 93

  4. 97

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

Total marks for 40 students: 40 × 86 = 3440. Removing 5 highest: 35 × 85 = 2975. Sum of 5 highest = 3440 - 2975 = 465. Average of 5 highest = 465 ÷ 5 = 93. The average drop of 1 mark for remaining students means the removed group scored significantly higher.