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The ratio of Boys to Girls is 6:4. 60% of the boys and 40%
of the girls take lunch in the canteen. What % of class
takes lunch in canteen?
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Answer / guest
Assume there are 6X boys and 4X Girls
Total Students taking lunch in canteen
= (6X)(60/100) + (4X)(40/100)
= 36(X/10) + 16(X/10)
= 52(X/10)
Total students are = 6X + 4X = 10X
% of class taking lunch in canteen
= ((52X/10) * 100 ) / 10X
= 52 %
| Is This Answer Correct ? | 29 Yes | 1 No |
Answer / snigdha
Let us assume that the no. of students are 10.
Hence boys are 6 and girls are 4.
60%of 6= 60/100*6=36/10.
40%of 4= 40/100*4=16/10
total students who lunch in canteen = 36/10+16/10=52/10
Total % = (52/10)/10*100
= 52%
| Is This Answer Correct ? | 12 Yes | 1 No |
Answer / purnima
let total students are 10
then 60% of 6 is=6*60/100
=36/10
40% of 4 is=4*40/100
=16/10
so total=52/10
=52%
| Is This Answer Correct ? | 5 Yes | 0 No |
Answer / don
consider 100 students in class in ratio 6:4
den 60 boys and 40 girls
in 60 boys 6o% in canteen so 36%
in 40 gals 40% in canteen so 16%
total 52%..........cool
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / prakasam
b/g:6/4
we take boys=6,girls=4
60% of boys=3.6
40% of girls=1.6
% of class takes lunch=5.2=52%
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / azhiweh
60% of boys and 40% of girls use the canteen.60+40=100%this
means 40% of boys and 60% of girls don't use the
canteen.again 40+60=100% so assumig the total number in the
class is 200.the % of those using the canteen is
(100/200)*100=50%
| Is This Answer Correct ? | 5 Yes | 4 No |
Answer / prajakta
60% of 6 is approximately is 4
40% of 4 is approximately is 2
so total number of people are 6 in class of 10
So the % is 60 % approximately.
| Is This Answer Correct ? | 1 Yes | 2 No |
Answer / bavas ahamed
60% in 6 is 1
40% in 4 is 1
so 1% of class takes lunch in canteen
| Is This Answer Correct ? | 3 Yes | 8 No |
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