Q. 17

Arun scored 36 marks in English, 44 marks in Hindi, 75 marks in mathematics and x marks in science. If he has secured an average of 50 marks, find the value of x.

Answer :

Given,


Marks obtained in English = 36


Marks obtained in Hindi = 44


Marks obtained in Maths = 75


Marks obtained in Science = x


Average marks of all subjects = 50


We know that,


Average marks =


= 50 =


= 50 × 4 = 155 + x


= x = 200 – 155 = 45.


Hence, Marks in science = 45.


Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses