Q. 120
of total number of students of a school come by car while 
of students come by bus to school. All the other students walk to school of which 
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 total number of students be x.
Given,
of total number of students of a school come by car
of students come by bus to school
Number of students who walk to school = 
= 
= 
Number of students walking on their own = 
of 
= 
= 
Given, Number of students walking on their own = 224
⇒ 
⇒ 
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