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 (2): Jack's scores in five successive rounds are = 25, – 5, – 10, 15, 10
= 25+(-5)+(-10)+15+10
= 35
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Army do you want to be my friend
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