# Ex 8.2, 7 - Chapter 8 Class 7 Comparing Quantities

Last updated at Nov. 6, 2018 by Teachoo

Last updated at Nov. 6, 2018 by Teachoo

Transcript

Ex 8.2, 7 In a city, 30% are females, 40% are males and remaining are children. What percent are children? Percentage of females = 30% Percentage of males = 40% Total Percentage = 100% Percentage of children = ? Now, Total Percentage = Percentage of females + Percentage of males + Percentage of children 100% = 30% + 40% + Percentage of children 100% = 70% + Percentage of children 70% + Percentage of children = 100% Percentage of children = 100% − 70% = 30%

Ex 8.2

Ex 8.2, 1 (a)

Ex 8.2, 1 (b)

Ex 8.2, 1 (c)

Ex 8.2, 1 (d)

Ex 8.2, 2 (a)

Ex 8.2, 2 (b)

Ex 8.2, 2 (c)

Ex 8.2, 2 (d)

Ex 8.2, 3 (i)

Ex 8.2, 3 (ii)

Ex 8.2, 3 (iii)

Ex 8.2, 4 (a) Important

Ex 8.2, 4 (b)

Ex 8.2, 4 (c)

Ex 8.2, 4 (d)

Ex 8.2, 5 (a) Important

Ex 8.2, 5 (b)

Ex 8.2, 5 (c)

Ex 8.2, 5 (d)

Ex 8.2, 5 (e)

Ex 8.2, 6 (a)

Ex 8.2, 6 (b)

Ex 8.2, 6 (c)

Ex 8.2, 6 (d)

Ex 8.2, 7 You are here

Ex 8.2, 8 Important

Ex 8.2, 9

Ex 8.2, 10

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.