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  • In a class test, the sum of Arun’s marks in Hindi and English is 30. Had he got 2 marks more in Hindi and 3 marks less in English, the product of the marks would have been 210. Find his marks in the two subjects.  

In a class test, the sum of Arun’s marks in Hindi and English is 30. Had he got 2 marks more in Hindi and 3 marks less in English, the product of the marks would have been 210. Find his marks in the two subjects.

 

 
 
 
 
 

Answers (1)

Lets Arun's marks in Hindi be x.

Then marks in English = 30-x.

\therefore (x+2)(30-x-3) = 210

\Rightarrow x^2 -25x + 156 = 0

\Rightarrow (x - 13)(x-12)= 0

\Rightarrow x = 12\ or \ x=13

\therefore 30 - 13 = 17 \ or \ 30 - 12 = 18

So, marks in Hindi and English are (13,17) or (12,18).

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Safeer PP

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