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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? Also find his average marks. [4 MARKS]

Answer» 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? Also find his average marks. [4 MARKS]


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