1. Read the data and answer the given questionHow many students have marks 20 or more but less than 40?
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By: anil on 05 May 2019 02.14 am
Number of students who scored : 40 and above = 10 30 and above = 40 - 10 = 30 20 and above = 69 - 40 = 29 10 and above = 81 - 69 = 12 0 and above = 102 - 81 = 21 => Students who have scored marks 20 or more but less than 40 = 29 + 30 = 59 => Ans - (D)
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