In a class of 60 students, the number of boys and girls participating in the annual sports is in the ratio 3 : 2 respectively. The number of girls not participating in the sports is 5 more than the number of boys not participating in the sports. If the number of boys participating in the sports is 15, then how many girls are there in the class ?

A. 20
B. 25
C. 30
D. Data inadequate
E. None of these

• C. 30
  
  In a class of 60 students, the number of boys and girls participating in the annual sports is in the ratio 3 : 2 respectively.
  say 3x and 2x respectively.
  If the number of boys participating in the sports is 15,no of girls participating in sports = 10.
  Total students participating out of 60 in class = 15+10=25
  Total students not participating out of 60 in class = 60-25=35
  The number of girls not participating in the sports is 5 more than the number of boys not participating in the sports.
  so out of 45 not participating in sports, 20 are girls and 15 are boys.
  No of girls in class = 20+10=30
  
• 12 years agoHelpfull: Yes(6) No(2)
• The Answer is 30.
  The no of students participating in Sports=x
  Girls and Boys participating in the ration 3:2
  no of boys participating in the sports=15
  therfore (3/5)x=15
  x=25
  No of girls participated=(2/5)*25=10
  Total no of students participating in sports=25
  no of students not participating in sports=60-25=35
  from the question:girls not participating in the sports is 5 more than the number of boys not participating in the sports
  No of girls=20 are not participated
  Total girls=20+10
  
• 9 years agoHelpfull: Yes(1) No(1)