Challenge No. 253: NOTE – Order in answer is not important.
Solved using: Power Query (Text.Combine).
Table Transformation! Part 17
Challenge No. 155: Transform the question table into the result table format.
Solved using:Excel (DROP, FILTER, HSTACK), Google Sheets, Power Query (List.Skip, List.Transform, Table.AddColumn), Python, Python in Excel, and R.
Transpose to Desired Table Format
Challenge No. 84: Transpose the problem table into result table.
Solved using: Excel VBA.
Convert Numbers to Expanded Form
Challenge No. 252: Write the numbers in expanded form.
Solved using: Python in Excel.
Digit Rearranged Multiplication Match
Challenge No. 251: Find those numbers which when multiplied by 2 to number of digits in that number generates the same digits in any other order.
Solved using: Power Query.
Add Index Column! Part 5
Challenge No. 154: Add an index column to the question table, which has the same index value for every consecutive date.
Solved using:Excel (DROP, IF, LAMBDA), Google Sheets, Power Query (Table.AddColumn, Table.AddIndexColumn, Table.Column), Python, Python in Excel, and R.
Calculate Percentage of Correct Answers
Challenge No. 83: Generate result table where Y means that right answer has been chosen and N means wrong answer has been chosen.
Solved using: Power Query (List.Distinct, Table.AddColumn).
Classify Password Strength
Challenge No. 250: Classify the given passwords as
Invalid – If less than 8 characters
If >= 8 Characters
Weak – Contains only alphabets or only numbers or only special characters
Strong – Contains either alphabets+numbers or alphabets+special characters or numbers+special characters
Very Strong – Contains all 3 i.
Solved using: Excel VBA.
Multiply Digits to Single Digit
Challenge No. 249: Multiply first digit with second digit, then result of this should be multiplied with 3rd digit and so on.
Solved using: Power Query.
Custom Grouping! Part 10
Challenge No. 153: The table includes two columns, From and To, where each row represents a range of dates.
Solved using:Excel (DROP, HSTACK, IF), Google Sheets, Power Query (Table.Group), Python, Python in Excel, and R.