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December 11th, 2018, 12:48 AM   #1
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How to solve this question

Hello sir
How to solve this question?
In an examination, a student who gets 20% of the maximum marks fails by 5 marks. Another student who scores 30% of the maximum marks gets 20 marks more than the pass marks. The necessary percentage required for passing is

Last edited by skipjack; December 11th, 2018 at 05:46 AM.
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December 11th, 2018, 05:28 AM   #2
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Ah "it" comes again...
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December 11th, 2018, 05:44 AM   #3
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As the difference between 20% and 30% is 10%, 10% of the maximum number of marks is 5 marks plus 20 marks, i.e. 25 marks.

Hence 5 marks is 2% of the maximum number of marks, and so the minimum percentage (of the maximum number of marks) required for passing is 22%.
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