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Stack Matrix Diagonals in Rows
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Stack Matrix Diagonals in Rows

Challenge No. 421: Stack the diagonals read from left to right of a matrix in rows.
Solved using: Python.

September 28, 2025July 23, 2025
Track Org Role Changes
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️ Intermediate

Track Org Role Changes

Challenge No. 178: Create a corresponding row in result table if there is a change in either role or org.
Solved using: R.

September 28, 2025July 14, 2025
Decode Color Band Resistance
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Decode Color Band Resistance

Challenge No. 420: For the given color bands in Column E, work out the total resistance.
Solved using: Python in Excel.

September 28, 2025July 23, 2025
Find Reverse-Divisible Non-Palindromes
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  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️ Intermediate

Find Reverse-Divisible Non-Palindromes

Challenge No. 419: Reverse a number.
Solved using: Python in Excel.

September 27, 2025July 23, 2025
Split and Running Total Rows
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  • Column Splitting
  • ExcelBI Power Query Challenges
  • Missing Values
  • ⭐️⭐️⭐️ Intermediate

Split and Running Total Rows

Challenge No. 176: Generate the result table from problem table.
Solved using: Python in Excel.

September 27, 2025July 14, 2025
Pivot for Time Entries by Date
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  • Date & Time Handling
  • ExcelBI Excel Challenges
  • Pivot & Unpivot
  • ⭐️⭐️ Easy

Pivot for Time Entries by Date

Challenge No. 418: Pivot the given table for Date / Emp ID combinations with Min and Max Time.
Solved using: Python in Excel.

September 27, 2025July 23, 2025
Split by Alpha-Numeric Change
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  • Column Splitting
  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Split by Alpha-Numeric Change

Challenge No. 417: Split the given strings whenever a changeover happens between English alphabets and numbers.
Solved using: Excel VBA.

September 26, 2025July 23, 2025
Family Relationship Tree View
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Family Relationship Tree View

Challenge No. 175: List the Names along with the Names of next generation and relationship between generations.
Solved using: Python.

September 26, 2025July 14, 2025
Generate Number Outline Sequence
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  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️ Intermediate

Generate Number Outline Sequence

Challenge No. 416: Generate the number outlining.
Solved using: R.

September 26, 2025July 23, 2025
Cyclops and Triangular Numbers
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Cyclops and Triangular Numbers

Challenge No. 415: A Cyclops number is a number that has a zero in the center (so, it needs to have odd number of digits and >=3 digits).
Solved using: Python in Excel.

September 25, 2025July 23, 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