Out of a class of 45 students 5 were absent,30% of the remaining had failed to do homework. Find the number of students who did the homework
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Answered by
25
Total no. of students = 45
Remaining students = 45-5 =40
students failed to do homework = 40×30/100 =12
students who did the homework = 40 -12 =28 students.
Remaining students = 45-5 =40
students failed to do homework = 40×30/100 =12
students who did the homework = 40 -12 =28 students.
Answered by
11
Answer:
Total no. of students = 45 students
No. of students absent = 5 students
No. of students failed in doing homework = 30%
= 40 × 30 ÷ 100
= 120 ÷ 100 = 12 students
Therefore the number of students who did the homework = [40 - 12 ]
= 28 students did the homework.
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