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Ex 7.2, 8 Amina buys a book for Rs 275 and sells it at a loss of 15%. How much does she sell it for? C.P = Rs 275 S.P = ? Loss Percentage = 15% πΏπ‘œπ‘ π‘ /(𝐢.𝑃) Γ— 100 = 15 πΏπ‘œπ‘ π‘ /275 = 15/100 Loss = πŸπŸ“/𝟏𝟎𝟎 Γ— 275 Loss = 4125/100 Loss = Rs 41.25 Now, Loss = CP βˆ’ SP S.P = C.P βˆ’ Loss = Rs 275 βˆ’ Rs 41.25 = 275 βˆ’ 4125/100 = (27500 βˆ’ 4125)/100 = 23375/100 = 233.75 Thus, she sells it for Rs 233.75

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Davneet Singh

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, Social Science, Physics, Chemistry, Computer Science at Teachoo.