Check sibling questions

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
Ex 12.1, 10 - Chapter 12 Class 6 Ratio And Proportion - Part 3
Ex 12.1, 10 - Chapter 12 Class 6 Ratio And Proportion - Part 4

Introducing your new favourite teacher - Teachoo Black, at only β‚Ή83 per month


Transcript

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

Davneet Singh's photo - Teacher, Engineer, Marketer

Made by

Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.