Challenge No. 263: Separate out odd and even numbers and give their min and max separated by dash.
Solved using: SQL.
LAMBDA
Creates custom reusable functions in Excel.
Find Previous Prime Digit Number
Challenge No. 261: Single digit prime numbers are 2, 3, 5 & 7.
Solved using: Excel VBA.
Add Hierarchical Location Indexes
Challenge No. 88: Add the indexes for Country, State and City.
Solved using: Python in Excel.
Generate Sequential Number Grid
Challenge No. 260: Generate the grid as per number given in cell A1.
Solved using: Excel VBA.
Replace Repeated Letters
Challenge No. 259: If an alphabet appears more than once, replace is with “)” otherwise replace it with “(“.
Solved using: Excel VBA.
Filter Last Transaction!
Challenge No. 158: From the question table, extract the last transaction per product for each month.
Solved using:Excel (DROP, FILTER, GROUPBY), Google Sheets, Power Query (Date.Month, Table.AddColumn, Table.Combine), Python, Python in Excel, and R.
Count of People by Age Group
Challenge No. 87: Generate the result table which has the count of different age groups.
Solved using: Python in Excel.
Decrypt Route Cipher
Challenge No. 258: Route Cipher Decryption – This time you would need to decrypt the given Encrypted text.
Solved using: Excel VBA.
List Repeated Column Words
Challenge No. 257: List those words which get repeated in a column.
Solved using: Python in Excel.
Table Transformation! Part 18
Challenge No. 157: Transform the question structure into the result structure.
Solved using:Excel (HSTACK, INDEX, LAMBDA), Google Sheets, Power Query (List.Split, List.Transform, Text.Split), Python, Python in Excel, and R.