Challenge No. 264: Ananyms are words in reverse.
Solved using: Power Query.
By Difficulty
Challenges categorized by difficulty level.
Odd Even Min Max Split
Challenge No. 263: Separate out odd and even numbers and give their min and max separated by dash.
Solved using: SQL.
Eight Knights Puzzle!
Challenge No. 160: The problem aims to place 8 knights (hours) on a chess board in such a way that each row/column is occupied by a single knight and no knight removes the other one from the chess board.
Solved using:Excel, Power Query, Python, Python in Excel, and R.
Populate Headers from Lookup Table
Challenge No. 89: Generate Result table on the basis of problem tables.
Solved using: Power Query.
List Dates Matching Product Rule
Challenge No. 262: List the dates in YYYY-MM-DD format from 21st century i.
Solved using: Python 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.