answers of six qu
competition.
9. Out of a class of 45 students, five were absent, 30% of the remaining had failed to do
homework. Find the number of students who did the homework.
Answers
Answer:
28 students did the homework.
Step-by-step explanation:
if 5 were absent
hence,
45 - 5 = 40 students
30% students failed to do homework ,. left 70% out of 100%.
hence, 40×70 = 28 students did homework.
100
Hence, 28 students did the homework.
Answer
Data,
Total students in a class = 45
Number of students who were absent = 5
Number of students who were present = 45 - 5
= 40
Percentage of students who
failed to do the home work = 30%
= 30/100 of 40
=3×4
Students who failed to do the work = 12
Students who Total number Students who
did the homework = of students. - failed to do
the work
= 40 - 12
Students who did
the homework = 28 students