Methods to calculate cut off marks of defence exams

Number of Attempted Answer = number of correct answer + number of wrong answer.
Example: Out of 120 question in English say I have attempted 90 questions, of which say some 75 questions may be right + say 15 questions may be wrong ( 75 right + 15 wrong = 90 attempted) .

Number of correct answers X 3 marks = marks for correct answers (say "A")
Allot 3 marks for e...ach correct answer

Number of Wrong answers X 1 mark = Marks for wrong answers (say "B")
Allot 1 mark for each wrong answer

Total number of marks= 120 questions X 3 marks each = 360 marks

Obtained marks in English paper (say "C") out of 360 = Marks for Correct answers - Marks for wrong answers.

now convert this mark for 360 to mark for 100.

Example:
Marks for Correct answer "A" = 75 correct answers X 3 mark = 225
Marks for Wrong answer "B" = 15 wrong answers X 1 mark = 15
Obtained Marks "C" = "A" - "B" = 225 - 15 = 210 out of 360

now convert this score for 100 marks - (210/360) X (100) = 58.33 is your score for 100

Like wise calculate for English, General Knowledge and Mathematics (each for 100) and then add all the three marks to get total mark for 300 and that's your final score.

In case of OTA candidate, Calculate for English and General Knowledge alone (each for 100) and then add both the marks to get total mark for 200 and that's your final score.

This is only one method (but there can be other easy or less complicated ways to calculate)

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