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Ex 1.1, 2 - In a quiz, positive marks are given for correct answers

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Ex 1.1, 2 In a quiz, positive marks are given for correct answers & negative marks are given for incorrect answers. If Jack s scores in five successive rounds were 25, 5, 10, 15 &10, what was his total at the end? Rough + & becomes + & + becomes + & becomes + Total score = 25 + ( 5) + ( 10) + 15 +10 = 25 5 10 + 15 + 10 = (25 + 15 + 10) 5 10 = 50 5 10 = 50 (5 + 10) = 50 15 = 35 His total was 35

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.