A got 45 of maximum marks and secured 25 marks more than necessary to pass B got 30 of maximum marks...........

Quantitative Aptitude (CDS) Percentage

A got 45% of maximum marks and secured 25 marks more than necessary to pass.B got 30% of maximum marks and failed by 50 marks. What are the maximum marks and what is the passing marks (respectively)?

400 and 300

600 and 260

500 and 350

500 and 200

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Explanation:

Let the passing mark be x.
A=45% = x + 25...1
B=30% = x - 50....2
subtracting both equations we get
15 % = 75
100% = 100/15 ×75
=500
maximum marks = 500
B got 30% so
=30/100×500 = 150
But B failed by 50 marks so passing mark = 150 + 50 = 200