Multiple choice

Alastair and Ben study in the same class. The average score of the class in a Sanskrit exam for which only Ben was absent was 52 while the average score of the class in a Marathi exam for which only Alastair was absent was 68. If the total score of the class in Sanskrit and Marathi exam was 3840, then how many students were there in the class?

  1. 32

  2. 65

  3. 66

  4. 33

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

Let n be the number of students. Total score = (n-1)*52 + (n-1)*68 = 3840. So (n-1)*120 = 3840. n-1 = 32, so n = 33.