Question

120. 2 5 of total number of students of a school come by car while 1 4 of students come by bus to school. All the other students walk to school of which 1 3 walk on their own and the rest are escorted by their parents. If 224 students come to school walking on their own, how many students study in that school? 121. H

Answer 1

let total no. of students be x
come by car 2x/5
come by bus = x/4
come on foot = x-(2x/5+x/4)= 7x/20
=(7x/20)/3=224
7x/60=224
x=224×60/7
x=1920