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In a test, (+3) marks are …

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In a test, (+3) marks are given for every correct answer and (-1) marks are given for every incorrect answer. Sona attempted tempted all the questions and scored (+20) marks though she got 10 correct answers. Sona obtained (-10) marks for incorrect answers though she got 10 incorrect answers. How many questions were given in the test ???
  • 1 answers

Trishna Yadab 1 month ago

There are 20 question in the test
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