in a competitive examination, 5 marks are awarded for every correct answer and 3 marks are deducted for every wrong answer arul scored 35 marks when 10 of his answers were correct subodh answered 8 question correctly and his score was 19.find the number of question answered wrongly by both of them
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Let number of incorrect answers by Arul be x
35=10×5-3x
35-50=-15x
-15=-15x
x=1
Let number of incoorest answers by Subodh be y
19=8×5-3x
19-40=-3x
-21=-3x
x=7
35=10×5-3x
35-50=-15x
-15=-15x
x=1
Let number of incoorest answers by Subodh be y
19=8×5-3x
19-40=-3x
-21=-3x
x=7
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