## In a Maths exam, two marks are given for every correct answer and one negative mark for every ncorrect answer. If Sushmita gets 48 cor

Question

In a Maths exam, two marks are given for every correct answer and one negative mark for every

ncorrect answer. If Sushmita gets 48 correct answers and her score is 84, how many questions

lid she answer correctly?

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2021-09-14T19:30:07+00:00
2021-09-14T19:30:07+00:00 1 Answer
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## Answers ( )

The answer is given below :

No. of correct answers = 25

So, marks secured = 25 × 4 = 100

Let, he did x no. of incorrect answers.

So, marks be cut = x × (-2) = -2x

Thus,

100 – 2x = 68

=> 2x = 100 – 68

=> 2x = 32

=> x = 16

So, Rohit did 16 incorrect answers and in total he attempted (25 + 16) = 41 questions.

Thank you for your question.

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