In a test contains 10 questions, +3 marks are given for every correct answer and -1 mark are given for every incorrect answer. Sona got 7 correct answers and 3 wrong answers. What is her total score?
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Marks for correct answer = +3
So, marks for 7 correct answers = 7 x 3 = 21
Marks for incorrect answer = -1
So, marks for 3 wrong answers = 3 x (-1) = -3
Total score = 21 + (-3) = 18
Therefore, Sona’s total score is 18.
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So, marks for 7 correct answers = 7 x 3 = 21
Marks for incorrect answer = -1
So, marks for 3 wrong answers = 3 x (-1) = -3
Total score = 21 + (-3) = 18
Therefore, Sona’s total score is 18.
Please mark my answer as brainliest
And say thanks to my answer.....
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