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Next Distinct Digit Number
Posted in
  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Next Distinct Digit Number

Challenge No. 201: Find the next number which is having all digits distinct.
Solved using: Python in Excel.

June 16, 2025July 10, 2025
List Question Options Summary
Posted in
  • ExcelBI Power Query Challenges
  • ⭐️⭐️ Easy

List Question Options Summary

Challenge No. 59: Generate the result table where –
Questions should be listed in headers.
Solved using: Power Query (List.Transform, Table.SelectRows).

June 16, 2025July 30, 2025
List Isogram Words Only
Posted in
  • ExcelBI Excel Challenges
  • ⭐️ Beginner

List Isogram Words Only

Challenge No. 200: List all isograms from column A – An isogram is that word where letters occur same number of times
Ex.
Solved using: Power Query.

June 16, 2025
Identify The Pattern !
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  • Advanced Mathematics Problem
  • Excel Challenges
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  • Power Query Challenges
  • Python Challenges
  • ⭐️⭐️⭐️ Intermediate

Identify The Pattern !

Challenge No. 135: Find the number of occurrences of the “+-+” pattern across the test IDs for each product.
Solved using:Excel (BYROW, CONCAT, DROP), Google Sheets, Power Query (List.Range, Text.Combine, Table.AddColumn), Python, Python in Excel, and R.

June 16, 2025July 11, 2025
Sum-Month Equals Year Dates
Posted in
  • Date & Time Handling
  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Sum-Month Equals Year Dates

Challenge No. 199: List the count of dates along with Min and Max date for the rows in columns A & B where MM + DD = YY.
Solved using: Python in Excel.

June 16, 2025July 10, 2025
Detect Operators Between Numbers
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Detect Operators Between Numbers

Challenge No. 198: List the operator which operates between Number 1 and Number 2.
Solved using: Python in Excel.

June 15, 2025July 10, 2025
Compute Daily Opening Balance
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️⭐️Expert

Compute Daily Opening Balance

Challenge No. 58: Starting opening balance (OB) = 100 (This is given and you will need to work out OB for Serials 2 through 9)
Hence, Serial no.
Solved using: SQL.

June 15, 2025July 30, 2025
Top Player by Group Average
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  • Custom Grouping
  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Top Player by Group Average

Challenge No. 197: List the qualifying player from each group on the basis of
1.
Solved using: Power Query (Table.AddColumn).

June 15, 2025July 10, 2025
Final Week Of The Month!
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  • Date & Time Handling
  • Excel Challenges
  • Omid Challenges
  • Power Query Challenges
  • ⭐️ Beginner

Final Week Of The Month!

Challenge No. 134: From the “transactions” in the provided table, filter those that occurred in the last 7 days of the month.
Solved using:Excel (CHOOSECOLS, DAY, EOMONTH), Google Sheets, Power Query (Table.AddColumn, Table.SelectRows), Python, Python in Excel, R, and SQL.

June 15, 2025July 11, 2025
Repeat Characters by Position
Posted in
  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Repeat Characters by Position

Challenge No. 196: Repeat a character as per its position in the string and insert spaces between them.
Solved using: Excel VBA.

June 15, 2025July 10, 2025

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  • 96 Common Challenges in Power Query
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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
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    • R Challenges
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  • Books
    • 96 Common Challenges in Power Query