In a exam for each correct answer two marks is allotted , for each wrong answer one marks will be deducted. There are 200 questions .Suresh Answer all the questions and got 175 marks .how many write answers you wrote?
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Let the no. of correct answer be x
and no. of wrong answer be y
according to question
x+y=200_(1)
2x-y=175_(2) on adddition
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3x =375
x =125
putting value of x in eq (1)
125+y=200
y=200-125
y=75
right answer =125
wrong answer=75
I hope it will help you
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