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  1. Chapter 12 Class 6 Ratio And Proportion
  2. Serial order wise
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Ex 12.1, 9 There are 102 teachers in a school of 3300 students. Find the ratio of the number of teachers to the number of students.Number of teachers = 102 Number of students = 3300 Ratio = (๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ก๐‘’๐‘Ž๐‘โ„Ž๐‘’๐‘Ÿ๐‘ )/(๐‘๐‘ข๐‘š๐‘๐‘’๐‘Ÿ ๐‘œ๐‘“ ๐‘ ๐‘ก๐‘ข๐‘‘๐‘’๐‘›๐‘ก๐‘ ) = 102/3300 = 51/1650 = 17/550 โˆด Required ratio is 17 : 550

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.