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In a competitive examination containing 24 questions 5 marks are awarded for every correct answer and -2 marks are awarded for every incorrect answer and zero marks for questions not attempted. Rahul attempts 8 correct and 16 incorrect answers. find its score.

Total number of questions = 24

 Marks for 1 correct answer = 5 

Number of correct answer = 8 

Total marks for 8 correct answer = 8 × 5 

       = 40

Marks for 1 incorrect answer = - 2 

Number of incorrect answer = 16 

Marks for 16 incorrect answer = 16 × (- 2) 

  = - 32

 Rahul final score 40 +( - 32 ) = 8

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