Answer / suchi teegala

let no. of boys not participating be x
then the no. of girls not participating = x+5
no. of boys : girls participating = 3:2
given no.of boys participating = 15
therefore, the ratio is now 15:y(say)
then 3:2 = 15 : x
on solving 3/2 =15/y ie.., 3y =30 we get y =10
hence no. of girls participating =10
therefore total no of students paricipating = 15+10=25
total no of students in class =60 given
hence no. of students not participating = 60-25=35
therefore x+(x+5)=35
2x=30
x=15
therfore no of girls not participating =15+5=20
therefore total no of girls in class = no of girls
participating + no of girls not participating
=10+20
=30 is the answer

Answer / guest

( 4 ) 30

Answer / vidsln_2

let total no .of students participating sports=x
participating ratio =3:2
no of boys participating in the sports= 15
so, (3/5)*x=15
=25
no.of students not participating sports=60-25=35
v have, no.of non attending boys=y
no.of nn attending girls=y+5
so. y+y+5=35
y=15
no.of boys in the class=participating+ non participating
= 15+15=30
no.of girls in the class=total-no.of boys
=60-30
=30

Answer / a.manikandan

(4) 30

Answer / s thirumala sai

Let number of boys be b and number girls be g.

boys_players : girl_player = 3:2 ----------> (1)
But, boys_players = 15 -------------------------> (2)
From (10 & (2) ,
3 parts = 15
2 parts = ? Ans:10 [ (15/3)*2 ]
i.e; girl_players = 10
Total players (boys & girls) =15+10=25 (or find directly
for 7 parts)
Total non-players = 60-25=35
Let x be the number of girls who doesn't participated.
Then x + (x-5) = 35 [from the given data]
=> 2x-5=35
=>2x = 40
=> x=20

Total number of girls=playing girls + not playing girls
= 10 + 20
=30
b+g=60 [from the given data]

Answer / ravi teja kantipudi

Total number in class, a=60
total number of boys participating, b=15
ratio of gals to boys participating is 3:2
so total number of gals participating is 10
so total number of boys and gals not participating are 35

total number of boys not participating let say 'x'
total number of gals not participating is 'x+5'
so total number is equal is to 35

=> x+x+5=35
=> 2x=30
=> x=15

so gals not participating are 20
so total number of gals in the class are 30

answer is (4)

Answer / s thirumala sai

Answer : option 4
boys_players : girl_player = 3:2 ----------> (1)
But, boys_players = 15 -------------------------> (2)
From (10 & (2) ,
3 parts = 15
2 parts = ? 10 [ (15/3)*2 ]
i.e; girl_players = 10
Total players (boys & girls) =15+10=25 (or find directly
for 7 parts)
Total non-players = 60-25=35
Let x be the number of girls who doesn't participated.
Then x + (x-5) = 35 [from the given data]
=> 2x-5=35
=>2x = 40
=> x=20

Total number of girls=playing girls + not playing girls
= 10 + 20
=30

Answer / vignesh1988i

the no. of girls in class is 30.....

the clue here to find out the total no. of boys and girls is the ratio given (3:2)....

thank u

Answer / ahtesham

No. of boys participating in sports:B=15
therefore no. of girls participating in sports:G

as ratio is 3:2=B:G

3/2=B/G

G=(15*2)/3
G=10

No. of students not participating in sports=60-(15+10)=35

Let x be the no. of girls not participating in sports.

then x + (x-5)=35

x=15

total no. of girls in class=15+10=25

Answer / venkatesh p

25

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