Question

2/5 of total number of students come by car while 1/4 of the students come by bus. All the other students walk to schools of which 1/3 walk on thier own and rest are escorted by their parents. If 224 students come to schook walking on thier own how many students come in this school

Answer 1

no of students who come either by car or bus 2/5+1/4= 13/20
remaining 1-13/20=7/20
out of these 1/3walk
so 1/3*7/20=7/60 of the students walk
let number of students=x
7/60*x=224
224*60/7=x
x=1920