Question

In an exam with 100 questions 2 marks are given for every correct answer and -0.5 for every incorrect answer and 0 for not attempted Alok got 20 questions wrong and left 26 questions unattempted if the passing marks are 100 at least how many questions should he answer right to passr

Answer 1

Answer:

Step-by-step explanation:

For 20 wrong question negative marks will be 20 x -0.5 = -10

26 are left unattempted .

So remaining question:- 54

If he gets all 54 correct, marks for it will be - 54 x 2 = 108

So total marks - 108 - 10 = 98

So he will not pass.

He need to attempt 1 answer out of 26 left answer and get it right to pass.

Answer 2

Answer:

For 20 wrong question negative marks will be 20 x -0.5 = -10

26 are left unattempted .

So remaining question:- 54

If he gets all 54 correct, marks for it will be - 54 x 2 = 108

So total marks - 108 - 10 = 98

So he will not pass.

He need to attempt 1 answer out of 26 left answer and get it right to pass

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