Ex 7.2, 4 - Chapter 7 Class 7 Comparing Quantities

Last updated at Dec. 16, 2024 by

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Ex 7.2, 4 Arun bought a car for Rs 3,50,000. The next year, the price went upto Rs 3,70,000. What was the Percentage of price increase? Price of car last year = Rs 3,50,000 Price of car this year = Rs 3,70,000 Increase in price = Rs 3,70,000 βˆ’ Rs 3,50,000 = Rs 20,000 Percentage of price increase = (πΌπ‘›π‘π‘Ÿπ‘’π‘Žπ‘ π‘’ 𝑖𝑛 π‘π‘Ÿπ‘–π‘π‘’)/(π‘ƒπ‘Ÿπ‘–π‘π‘’ π‘œπ‘“ π‘π‘Žπ‘Ÿ π‘™π‘Žπ‘ π‘‘ π‘¦π‘’π‘Žπ‘Ÿ) Γ— 100% = (𝟐𝟎,𝟎𝟎𝟎)/(πŸ‘,πŸ“πŸŽ,𝟎𝟎𝟎) Γ— 100% = 20000/350000 Γ— 100% = 𝟐/πŸ‘πŸ“ Γ— 100% = 2 Γ— 100/35 % = 2 Γ— 20/7 % = 40/7 % = 5 πŸ“/πŸ• %

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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