There are 36 pupils in a class 4 over 9 of the pupils wear digital watches how many pupils in the class do not wear digital watches
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Answer:
20 stdents do not wear digital watch.
Step-by-step explanation:
no. of people in the class=36
no. of people in one group=9
no. of groups formed=36/9
=4
no. of people wearing digital wath in 1 group =4
total no. of people wearing digital watch=4*4
=16
no. of people who do not wear digital watch = 36-16
=20
therefore 20 people do not wear digitall watch in a class of 36 students
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