In a class of students 135 girl are present. The number of boys are 70% of the total strength of the class.how may boys are present in class
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Let both boys and girls = x
Given
Boys = 70% of x
Girls = 135
70%of X + 135 = X
(70/100) X + 135 = X
70x + 135×100 = 100x
13500=100x-70x
13500=30x
X = 450
Total students = 450
Total students - No of girls = no of boys
450 - 135 = 315
Answer = 315
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