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Q.2 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?
Answer :

Given scores are 25, -5, -10, 15, 10 Total Mark's = 25 + (-5) +(-10) +15 +10 =
25 +15+10+(-15)= 50-15= 35