Question

In an examination a student who gets 20% of the maximum marks fails by 5 marks. Another student who score 30% of the maximum marks gets 20 marks more than pass marks. The necessary percentage required for passing

Answer 1

Answer:

30x-20x=2500

10x = 2500

x = 250

minimum for Pass=250x20/100=50+5 = 55 or

250x30 /loo=75-20=55

% minimum=55xioo/250=22%