SaraNextGen.Com


In a history examination, the average for the entire class was 80 marks. If 10% of the students scored 95 marks and 20% scored 90 marks, what was the average marks of the remaining students of the class?

 

(a)

65.5

(b)

72.5

(c)

75

(d)

85


Question ID - 57095 | Toppr Answer

In a history examination, the average for the entire class was 80 marks. If 10% of the students scored 95 marks and 20% scored 90 marks, what was the average marks of the remaining students of the class?

 

(a)

65.5

(b)

72.5

(c)

75

(d)

85

1 Answer - 5876 Votes

3537

Answer Key : (c) -

Let the numbers of students in the class be 100 and let the required average be

Then,



SaraNextGen