Q.
The total marks obtained by a student in Economics, Political Science and Geography together is 120 more than the marks obtained by him in Political Science. What are the average marks obtained by him in Economics and Geography together?
[A]
40
[B]
60
[C]
90
[D]
120
Answer & Explanation
Option: [B]
According to the question,
Marks of (Economics + Political Science + Geography) = 120 + Political Science
So, the marks of other 2 subjects Economics and Geography is equal to 120
Economics + Geography = 120
120/2 = 60