In a class test containing 15 questions, 5 marks are given for every
correct answer and (-3) marks are given for every incorrect answer.
Radha attempts all questions but only 9 of her answers are correct
What is her total score?
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Answer:
correct answer=9
incorrect answer=6
each questions marks taken=5
hence,5 multiplied by 9=45
incorrect answer=6multiplied by (-3)= -18
45+(-18)=27
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