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Interleave Numbers into Letters
Posted in
  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Interleave Numbers into Letters

Challenge No. 506: Concat column B numbers into column 1 alphabets.
Solved using: Python.

November 10, 2025
Draw Alphabet Triangle
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  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️ Intermediate

Draw Alphabet Triangle

Challenge No. 505: Draw the triangle of alphabets as shown.
Solved using: Python in Excel.

November 9, 2025July 23, 2025
Hierarchical Project Indexing
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  • ExcelBI Power Query Challenges
  • Indexing & Ranking
  • ⭐️⭐️⭐️⭐️⭐️Expert

Hierarchical Project Indexing

Challenge No. 221: Do the Indexing for project, task and activity.
Solved using: Python.

November 9, 2025July 14, 2025
Presidents with Same Initials
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Presidents with Same Initials

Challenge No. 504: List those presidents’ names whose first characters of all parts of names are same.
Solved using: Excel VBA.

November 9, 2025July 23, 2025
Extract and Group
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  • Crispo Challenges
  • ⭐️ Beginner

Extract and Group

Challenge No. 70: Extract the Departments and their Sub-department
Department name is before the 1st hyphen
Solution should be in a Cross-tab as shown
Dynamic array function allowed but Extra marks for Legacy solutions or PowerQuery Solution.
Solved using: R.

November 8, 2025July 11, 2025
Aggregate Customer Purchase Stats
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Aggregate Customer Purchase Stats

Challenge No. 503: Today’s challenge is contributed by 🇰🇷 Taeyong Shin
Calculate the sum, average, maximum value, minimum value, count, and payment amount for products purchased by each customer.
Solved using: Python in Excel.

November 8, 2025July 23, 2025
Distribute Activities by Month
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️⭐️Expert

Distribute Activities by Month

Challenge No. 220: This challenge is contributed by Ahmad Syawal Ramli
Align the activities month-wise for each project.
Solved using: Python in Excel.

November 8, 2025
Remove Digits for Largest Cube
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  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Remove Digits for Largest Cube

Challenge No. 502: For the largest cube number by removing minimum number of digits.
Solved using: Python in Excel.

November 8, 2025
Find Row/Col Consecutive Numbers
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Find Row/Col Consecutive Numbers

Challenge No. 501: In the given grid, find the numbers which are consecutive either column wise or row wise (not diagonal wise).
Solved using: Python.

November 7, 2025July 23, 2025
Normalize Staff Entries
Posted in
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Normalize Staff Entries

Challenge No. 219: Normalise the table as shown.
Solved using: Python.

November 7, 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