Answer / guest

(60/100)*60 + (40/100)*40
=52%

Answer / vaibhavi

Answer is 52%...

suppose there are 100 students.
so the number of boys would be 60 & girls would be 40.
So now,;
60*60/100=36 & 40*40/100=16
total=36+16 = 52;
so 52 is the 52% of 100;

Answer / harshgandhi126

Suppose there are total 10 students in the class.
So (6*.6)boys and (4*.4) take the lunch

so total students = (6*.6)+(4+.4)=5.2

So it is 52%

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