In a quiz, positive marks are given for correct answers and negative marks are given for incorrect answers. If Jack's scores in five successive rounds were 25,−5,−10,15 and 10, what was his total at the end?
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Solution
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Scores of Jack =25,−5,−10,15,10
Total score at end =25+(−5)+(−10)+15+10
=25−5−10+15+10
=35
Therefore, Jack's total score at the end is 35.
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