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  1. Chapter 4 Class 7 Simple Equations
  2. Serial order wise
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Example 4 A shopkeeper sells mangoes in two types of boxes, one small & one large. A large box contains as many as 8 small boxes plus 4 loose mangoes. Set up an equation which gives the number of mangoes in each small box. The no. of mangoes in a large box is given to be 100. Let, Small box contains n number of mangoes Given that, No. of mangoes in large box is 8 times mangoes in small box plus 4 No. of mangoes in large box = 8n + 4 Also, No. of mangoes in large box = 100 ∴ 8n + 4 = 100

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 8 years. He provides courses for Maths and Science at Teachoo. You can check his NCERT Solutions from Class 6 to 12.