TCS
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Numerical Ability
Ratio and Proportion
The ratio of boys to girls is 6:4.60% of the boys and 40% of girls take lunch in the canteen.What % of class takes lunch?
Read Solution (Total 4)
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- ((60/100 X 6x)+(40/100 X 4x))/10x X100
Solving we will ans as 52% - 9 years agoHelpfull: Yes(29) No(0)
- let total no of students 100, boy 60 and girl 40, so lunch taken by boy and girl respectively 60* 60/100=36 and 40* 40/100=16
so total 52 students takes lunch out of 100 students..so required % is 52% - 9 years agoHelpfull: Yes(15) No(0)
- Let total number of students be 100
Boys : Girls = 6 : 4 (60 Boys and 40 Girls)
60% boys => 60 X 0.6 = 36 boys
40% girls => 40 X 0.4 = 16 girls
36 + 16 = 52 = > 52 % takes Lunch - 9 years agoHelpfull: Yes(3) No(0)
- 52% as 60 % is 36 and 40% is 16 if total strength is 100
- 9 years agoHelpfull: Yes(0) No(0)
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