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
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 | SaraNextGen Top 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
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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? |
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(a) |
65.5 |
(b) |
72.5 |
(c) |
75 |
(d) |
85 |
|
1 Answer
127 votes
Answer Key / Explanation : (c) -
Let the numbers of students in the class be 100 and let the required average be 
Then, 
127 votes
Answer Link
127