Ex 12.1, 1 - There are 20 girls and 15 boys in a class - Ex 12.1

Ex 12.1, 1 - Chapter 12 Class 6 Ratio And Proportion - Part 2

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Ex 12.1, 1 There are 20 girls and 15 boys in a class. (a) What is the ratio of number of girls to the number of boys? Number of girls = 20 Number of boys = 15 Ratio = (š‘š‘¢š‘šš‘š‘’š‘Ÿ š‘œš‘“ š‘”š‘–š‘Ÿš‘™š‘ )/(š‘š‘¢š‘šš‘š‘’š‘Ÿ š‘œš‘“ š‘š‘œš‘¦š‘ ) = 20/15 = 4/3 ∓ Required ratio is 4 : 3 Ex 12.1, 1 There are 20 girls and 15 boys in a class. (b) What is the ratio of number of girls to the total number of students in the class?Total number of students = Number of girls + Number of boys = 20 + 15 = 35 ∓ Ratio = (š‘š‘¢š‘šš‘š‘’š‘Ÿ š‘œš‘“ š‘”š‘–š‘Ÿš‘™š‘ )/(š‘‡š‘œš‘”š‘Žš‘™ š‘š‘¢š‘šš‘š‘’š‘Ÿ š‘œš‘“ š‘ š‘”š‘¢š‘‘š‘’š‘›š‘”š‘ ) = 20/35 = 4/7 ∓ Required ratio is 4 : 7

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Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science and Computer Science at Teachoo