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In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and –2 for every incorrect answer and 0 for not supplying any answer. - Mathematics

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प्रश्न

In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and –2 for every incorrect answer and 0 for not supplying any answer. If Yash secured 94 marks in a test, what are the possibilities of his marking correct or wrong answer?

योग
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उत्तर

Since, Yash scored 94 marks.

So, minimum correct answer = `"Total marks"/"Marks for 1 correct answer" = 94/2` = 47

Hence, there are two possibilities:

  1. 47 correct answers and 3 unattempted.
  2. 48 correct answers, 1 unattempted and 1 wrong answer.
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अध्याय 1: Integers - Exercise [पृष्ठ २२]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
अध्याय 1 Integers
Exercise | Q 133. | पृष्ठ २२

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