UPSKILL MATH PLUS

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1. Prepare a daily time schedule for evening study at home.
 
2. Consider the Postal Index Number (PIN) written on the letters as follows: \(604506\); \(604516\); \(604560\); \(604506\); \(604516\); \(604560\); \(604516\); \(604505\); \(604470\); \(604515\); \(604520\); \(604303\); \(604509\); \(604470\). How the letters can be sorted as per Postal Index Numbers?
 
Important!
This is a self-assessment task. Solve this question and assess the solution steps after completing the test on your own.