. In a class of 30 students, 60% are boys. How many boys are there in the class?
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No.of Students = 30
No.of Students = 30No.of girl children = 60%
No.of Students = 30No.of girl children = 60%10% of 30 = 3
No.of Students = 30No.of girl children = 60%10% of 30 = 3therefore :- 60% of 30 = 6 x 3 = 18
No.of Students = 30No.of girl children = 60%10% of 30 = 3therefore :- 60% of 30 = 6 x 3 = 18So, No.of girls in the class is 18
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Total number is of students = 30
% of boys = 60%
So total number of boys = 60% of 30
= 30×60/100 = 18
Total number of boys = 18
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