Find The number of students who can sit in a class room with length 20m and breadth 9m, if each student requires a space of 90cm*80m.

• (20*9*100*100)/(90*80) = 250
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• (2000*900/90*80)=250
  
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• In the question, the space required for each student should be 90cm*80cm
  Sol:
  *Area of the class room=20m*9m=180m
  *Area required for a student=(90/100)*(80/100)=0.9*0.8=0.72m
  *The number of student can sit in a class room=180/0.72=250
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