In a class of 50 students, each one come to school by bus or by bicycl – InterviewSolution

1.	In a class of 50 students, each one come to school by bus or by bicycle or on foot. 25by bus, 20 by bicycle, 30 on foot and 10 students by all the three. Now how many students come to school exactly by two modes of transport?
Answer» But the ans is 5

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