IIM indore/DU JAT/CAT/SSC number of digits related question

After watching this video you can do these 6 important questions asked many times in various exams 1. Assume that all positive integers are written down consecutively from left to right as in 1234567891011...... The 6389th digit in this sequence is what? 2. The total number of digits used in numbering the pages of a book having 366 pages is what? 3. 1 2 3 4 5………………………till 41 digits when divided by 8 what is the remainder? 4. 1 2 3 4 5………………………till 57 digits when divided by 16 What is the remainder? 5. 1 2 3 4 5………………………till 76 digits when divided 16 what is the remainder? 6. 1 2 3 4 5………………………till 6389 digits when divided by 8 what is the remainder?

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