Example 12 - Chapter 7 Class 7 Comparing Quantities

Last updated at Dec. 16, 2024 by

Example 12 - The cost of a flower vase is Rs 120. If the shopkeeper - Examples

part 2 - Example 12 - Examples - Serial order wise - Chapter 7 Class 7 Comparing Quantities

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Example 12 The number of illiterate persons in a country decreased from 150 lakhs to 100 lakhs in 10 years. What is the percentage of decrease? C.P = Rs 120 S.P = ? Loss percentage = 10% πΏπ‘œπ‘ π‘ /(𝐢.𝑃) Γ— 100 = 10 𝑳𝒐𝒔𝒔/𝟏𝟐𝟎 Γ— 100 = 10 πΏπ‘œπ‘ π‘ /120 = 10/100 Loss = 10/100 Γ— 120 Loss = 1/10 Γ— 120 Loss = Rs 12 Now, Loss = CP βˆ’ SP SP = CP βˆ’ Loss = Rs (120 βˆ’ 12) = Rs 108 It is sold Rs 108

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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