The average marks lost on a certain test (max. marks 20) in a class is 13 if the maximum score
marks obtained rises to 8. How many students are there in the class, if it is known that the
obtained is excluded. If the marks obtained by the highest scorer are included, the average of
minimum of marks lost by any student is 3?
1) The given situation is not possible
3) 11
2) 9
4) 10
Answers
Answered by
0
Answer:
the answer to this question is 3
Answered by
5
Answer:
Let x be the total number of students and S be the sum of scores of all the students excluding the highest score Average marks lost =13,so average marks scored =7
:S=7(x-1)
minimum marks lost by any student is 3.therefore,highest marks =17
S+17=8x
x=10
So,option 4
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