Question

The total marks obtained by a student in Physics, Chemistry and mathematics together is 150 more than the marks obtained by him in Chemistry. What are the average marks obtained by him in Physics and Mathematics together?

• A. 75
• B. 100
• C. 150
• D. 50

Answer 1

Answer:

A. 75

Let marks in physics and mathematics together be x and that in chemistry be y x + y = (y + 150) ⇒ x = y + 150 – y ⇒ x = 150 Average marks in physics and mathematics = 150/2 = 75