20% of absentees in a class on a particular day are science students, but 45% of the students present are science students in the class. Total non-science students are 71 and total student strength is 120. Find the number of non-science students present on that day In the class.
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number of student absent =20%
science student present =45%
total non science students present = 71
total strength = 120
20 % + 45 % + non science student = 100 %
65% + non science student = 100 %
non science student = 100 - 65 %
=35
total non science student = 35 X 120
100
= 42 ans
please mark it as brinlest foe the long answer
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