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Chapter 9 Class 6 Data Handling
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Ex 9.1, 1 - In a Mathematics test, the following marks were obtained

Ex 9.1, 1 - Chapter 9 Class 6 Data Handling - Part 2
Ex 9.1, 1 - Chapter 9 Class 6 Data Handling - Part 3

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Ex 9.1, 1 In a Mathematics test, the following marks were obtained by 40 students . Arrange these marks in a table using tally marks. (a) Find how many students obtained marks equal to or more than 7 Number of students whose marks equal to or more than 7 = Number of students with marks 7 + Number of students with marks 8 + Number of students with marks 9 = 5 + 4 + 3 = 9 + 3 = 12 Ex 9.1, 1 (b) How many students obtained marks below 4?Number of students whose marks below 4 = Number of students with marks 1 + Number of students with marks 2 + Number of students with marks 3 = 2 + 3 + 3 = 5 + 3 = 8

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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.