Latest TCS Aptitude Question SOLUTION: Out of 75 children, playing badminton or table tennis or both, total number of girls playing in the group is 50% of the total number of boys in the group. The number of boys playin

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Out of 75 children, playing badminton or table tennis or both, total number of girls playing in the group is 50% of the total number of boys in the group. The number of boys playing only badminton is 60% of the number of boys and the total number of boys playing badminton is 70% of the total number of boys. The number of children playing only table tennis is 40% of the total number of children and a total of 10 children play both badminton and table tennis. What is the number of girls playing only badminton?
a) 5
b) 15
c) 20
d) 10

Asked In TCS Tanu (10 years ago)

Unsolved Read Solution (3)

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ritu raj  (10 years ago)

ans (a)
let boys=x,gilrs=x/2 x+x/2=75,boys=50,girls=25,boys only bm=60% of 50=30
all boys plying bm=70%of 50=35,so boys playing both=35-30=5
so boys playing tt=50-(30+5)=15,
40%of75 playing tt=30,so girls playing tt=15,10 children playing both so girls playing both=5...(10-5 boys playing both) so required girls=25-(15+5 girls plying both)=5 ans

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tushar varshney  (10 years ago)

no of boys =50
no of girls=25
no of boys playing =70%of 50 =35
no of boys playing only badminton =60%of 50 =30
no of boys playing TT(either both or only)=50-30=20
no of boys playing both =35-30=5
no of girls playing both game=10-5=5
no of girls playing tt=30-20=10
remaining girls =25-10=15
ans is option b

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Rashmi Chouhary  (10 years ago)

40% of 75 = 30 playing tennis so 15 girls playing tt 30% of x=15 ==> x=50 no. of girls= 75-55=25-5=20

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