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Ex 12.1, 10 - In a college, out of 4320 students, 2300 are girls

Ex 12.1, 10 - Chapter 12 Class 6 Ratio And Proportion - Part 2
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Ex 12.1, 10 In a college, out of 4320 students, 2300 are girls. Find the ratio of (a) Number of girls to the total number of students. Ratio = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘”π‘–π‘Ÿπ‘™π‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ 𝑠𝑑𝑒𝑑𝑒𝑛𝑑𝑠) = 2300/4320 Cancelling 0s = 230/432 = 115/216 ∴ Required ratio is 115 : 216 Ex 12.1, 10 In a college, out of 4320 students, 2300 are girls. Find the ratio of (b) Number of boys to the number of girls Total number of students = 4320 Number of girls = 2300 Number of boys = Total number of students βˆ’ Number of girls = 4320 βˆ’ 2300 = 2020 Ratio = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘œπ‘¦π‘ )/(π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘”π‘–π‘Ÿπ‘™π‘ ) = 2020/2300 Cancelling 0s = 202/230 = 101/115 ∴ Required ratio is 101 : 115 Ex 12.1, 10 In a college, out of 4320 students, 2300 are girls. Find the ratio of (c) Number of boys to the total number of students Ratio = (π‘π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ π‘π‘œπ‘¦π‘ )/(π‘‡π‘œπ‘‘π‘Žπ‘™ π‘›π‘’π‘šπ‘π‘’π‘Ÿ π‘œπ‘“ 𝑠𝑑𝑒𝑑𝑒𝑛𝑑𝑠) = 2020/4320 Cancelling 0s = 202/432 = 101/216 ∴ Required ratio is 101 : 216

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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.