The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathematics and Chemistry together.

A. 40
B. 30
C. 25
D. Data inadequate

Let the marks obtained by the student in Mathematics, Physics and Chemistry be M, P and C respectively.

Given , M + C = 60 and C – P = 20 M + C / 2 = [(M + P) + (C – P)] / 2 = (60 + 20) / 2 = 40

Correct Answer: 40 ✔

Last Updated: November 18, 2019