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  1. Chapter 8 Class 7 Comparing Quantities
  2. Serial order wise
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Ex 8.2, 9 Meeta saves Rs 400 from her salary. If this is 10% of her salary. What is her salary? According to the question, 10% of Salary = Rs 4000 10% × Salary = Rs 4000 10/100 × Salary = Rs 4000 1/10 × Salary = Rs 4000 Salary = Rs 4000 × 10/1 Salary = Rs 40,000 ∴ Meeta’s salary is Rs 40,000

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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.