three sets of 40 , 50, 60 students appeared for an examination and thd pass percentage was 100, 90, 80 respectively the pass percentage of whole set is
Answers
Answered by
25
there are 3 groups of students.
Group A has 40 students. The pass percentage = 100 % ie., everyone passed.
Group B has 50 students. Pass percentage = 90%.
So number of students passed = 50 * 90/100 = 45
Group C has 60 students and that group has pass percentage = 80%
number of students passed = 60 * 80 % = 48
Total number of students from all groups who passed = 40 + 45 + 48 = 133
total number of students from all groups = 40+50+60 = 150
Pass percentage of all sets combined = 133 / 150 * 100
= 88.667 %
Group A has 40 students. The pass percentage = 100 % ie., everyone passed.
Group B has 50 students. Pass percentage = 90%.
So number of students passed = 50 * 90/100 = 45
Group C has 60 students and that group has pass percentage = 80%
number of students passed = 60 * 80 % = 48
Total number of students from all groups who passed = 40 + 45 + 48 = 133
total number of students from all groups = 40+50+60 = 150
Pass percentage of all sets combined = 133 / 150 * 100
= 88.667 %
kvnmurty:
click on thanks button above please
select best answer
Answered by
0
ANSWER :-
EXPLANATION :-
Similar questions