1.

2/5 of total number of student of a school come by car while 1/4 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?

Answer»

Let the total no. of students be X
number of students who come by car = 2x/5
number of students who come by bus = x/4
number of students who come by WALK = x - (2x/5 + x/4) = x - 13x/20 = 7x/20
number of students who come by walk on their own = (7x/20)/3 = 224
7x/60 = 224
x = 224×60÷7 = 1920


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