Elitmus Exam Numerical Ability Averages

the average marks obtained by 40 students of a class is 86.if the 5 highest marks are removed,the average reduces by one mark.the average marks of the top 5 students is

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total marks=40*86=3440
let avg marks of 5 student is x;
so,
5*x + (35*85)=3440
5x=3440-2975
x=465/5
x=93;
7 years agoHelpfull: Yes(4) No(0)

93 will be the answer
7 years agoHelpfull: Yes(1) No(0)

Elitmus Other Question

In an examinationthe average of marks was found to be 50.For deducting marks for computational errors,the marks of 100 candidates had to be changed from 90 to 60 each and so the average of marks came down to 45.the total no of candidates ,who appeared at the examination was A cricketer whose bowling average is 24.85 runs per wicket takes 5 wickets for 52 runs and thereby decrease his average by 0.85.the number of wickets taken by him till the last match.