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Question

A student get 3 marks for answering a question correctly and 1 mark for answering it wrong. Suppose if he answers 5 questions correctly and 2 answer of questions wrong, then what marks is scored.
  1. 3
  2. 13
  3. 17
  4. 5

A
5
B
3
C
13
D
17
Solution
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Totalmarks=3×(numberofcorrectanswers)1×(numberofwronganswers)=3×51×2=152=13

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