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Home » Challenges » By Difficulty » ⭐️⭐️⭐️⭐️ Advanced » Page 7

⭐️⭐️⭐️⭐️ Advanced

Complex challenges for experienced users.

Count Stepping Numbers
Posted in
  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Count Stepping Numbers

Challenge No. 238: Stepping Number is that number where adjacent digits have the difference of 1 or -1.
Solved using: Python in Excel.

June 29, 2025July 11, 2025
Create Simple Result Table
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Create Simple Result Table

Challenge No. 76: Generate the result table from problem table.
Solved using: Power Query.

June 29, 2025July 12, 2025
Transpose Departments into Row
Posted in
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Transpose Departments into Row

Challenge No. 72: Transpose the data in a single row for all departments.
Solved using: Power Query (List.Transform).

June 25, 2025July 12, 2025
Cap and Carry Running Totals
Posted in
  • Custom Grouping
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Cap and Carry Running Totals

Challenge No. 71: Find the running total for the groups.
Solved using: Python in Excel.

June 24, 2025July 12, 2025
Count Head Streaks by Alpha
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Count Head Streaks by Alpha

Challenge No. 70: List those alphas which have consecutive streaks of H (H – Head, T – Tail)
List the count of consecutive occurrences in their respective columns sorted.
Solved using: Power Query.

June 23, 2025July 12, 2025
Custom Grouping! Part 8
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  • Custom Grouping
  • Omid Challenges
  • Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Custom Grouping! Part 8

Challenge No. 139: The stock prices for the given dates are provided in the table.
Solved using:Excel (VSTACK), Google Sheets, Power Query (Table.Group, List.Combine, List.Transform), Python, and Python in Excel.

June 20, 2025July 11, 2025
Classify Items as Used or New
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Classify Items as Used or New

Challenge No. 60: Generate the Result table from Problem table.
Solved using: Power Query (Table.AddColumn, Table.Split, Table.SplitColumn).

June 17, 2025July 30, 2025
Mark Unique or Not Unique
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Mark Unique or Not Unique

Challenge No. 56: Populate Unique and Not Unique for different fruits against each garden depending upon its count.
Solved using: Power Query (List.Distinct, Table.Group, Table.TransformColumns).

June 13, 2025July 30, 2025
Distribute Values by Mapping
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Distribute Values by Mapping

Challenge No. 53: The relationship between Table T1 and Table T2 is given.
Solved using: Power Query.

June 10, 2025July 30, 2025
Cartesian Product!
Posted in
  • Advanced Mathematics Problem
  • Excel Challenges
  • Omid Challenges
  • Power Query Challenges
  • Python Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Cartesian Product!

Challenge No. 128: Write all the 3 character words by using “A”,”B”,C”, AND “D”.
Solved using:Excel (LAMBDA, LET, REDUCE), Google Sheets, Power Query (List.Transform, List.TransformMany), Python, Python in Excel, and R.

June 9, 2025July 11, 2025

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BYROW CHAR CODE CONCAT DROP FILTER HSTACK IF IFERROR INDEX LAMBDA LEFT LEN LET List.Distinct List.Transform LOOKUP MAP MATCH MAX MID MONTH Python Python Automation Python for Data Analysis Python for Excel REDUCE ROW ROWS SCAN SEQUENCE SORT SUBSTITUTE Table.AddColumn Table.Group Table.SelectRows TAKE Text.Combine Text.Split TEXTJOIN TEXTSPLIT TOCOL UNIQUE VSTACK XLOOKUP

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  • By Difficulty
    • ⭐️ Beginner
    • ⭐️⭐️ Easy
    • ⭐️⭐️⭐️ Intermediate
    • ⭐️⭐️⭐️⭐️ Advanced
    • ⭐️⭐️⭐️⭐️⭐️Expert
    • ⭐️⭐️⭐️⭐️⭐️⭐️Complex
  • By Topic
    • Advanced Mathematics Problem
    • Aggregation & Summarization
    • Column Splitting
    • Column Transformation
    • Custom Grouping
    • Data Cleaning
    • Data Transformation
    • Date & Time Handling
    • Financial Problems
    • Indexing & Ranking
    • Merging & Joining
    • Missing Values
    • Pivot & Unpivot
    • Text Processing
  • By Creator
    • Omid Challenges
    • ExcelBI Excel Challenges
    • ExcelBI Power Query Challenges
    • Crispo Challenges
  • By Software
    • DAX Challenges
    • Excel Challenges
    • Excel VBA Challenges
    • Google Sheets Challenges
    • Office Script Challenges
    • Power Query Challenges
    • Python Challenges
    • R Challenges
    • SQL Challenges
  • Books
    • 96 Common Challenges in Power Query