PDF chapter test TRY NOW

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.