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Create a Christmas Tree Shape
Posted in
  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Create a Christmas Tree Shape

Challenge No. 354: Merry Christmas to all the readers!!! Today’s challenge, undoubtedly, will be on Christmas.
Solved using: Power Query.

August 26, 2025July 21, 2025
Find Missing Letters in Range
Posted in
  • ExcelBI Excel Challenges
  • Missing Values
  • ⭐️ Beginner

Find Missing Letters in Range

Challenge No. 353: Find the missing letters.
Solved using: R.

August 25, 2025July 21, 2025
Map Groups to Company
Posted in
  • Custom Grouping
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️ Intermediate

Map Groups to Company

Challenge No. 137: Generate result table on the basis of 2 problem tables.
Solved using: Python in Excel.

August 25, 2025July 14, 2025
List Interprime Numbers
Posted in
  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

List Interprime Numbers

Challenge No. 352: List the Interprime Numbers.
Solved using: Python in Excel.

August 25, 2025July 21, 2025
Reverse Words Between Indexes
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  • ExcelBI Excel Challenges
  • Indexing & Ranking
  • ⭐️⭐️ Easy

Reverse Words Between Indexes

Challenge No. 351: Reverse the words between two words whose both inclusive positions are given.
Solved using: Python in Excel.

August 24, 2025July 21, 2025
Detect Common Groups by ID
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  • Custom Grouping
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️ Intermediate

Detect Common Groups by ID

Challenge No. 136: Find the common groups on the basis of common IDs.
Solved using: R.

August 24, 2025July 14, 2025
Find Insolite Numbers
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  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Find Insolite Numbers

Challenge No. 350: List the Insolite Numbers – A number is Insolite if it is divisible by both
Sum of square of its digits AND
Product of square of its digits
Ex.
Solved using: Python in Excel.

August 24, 2025July 21, 2025
Decimal to Roman Numerals
Posted in
  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Decimal to Roman Numerals

Challenge No. 349: For conversion from Decimal to Roman Number, value of characters to be used – M-1000, D-500, C-100, L-50, X-10, V-5 & I-1.
Solved using: R.

August 23, 2025July 21, 2025
Assign Groups to Value Bins
Posted in
  • ExcelBI Power Query Challenges
  • ⭐️⭐️ Easy

Assign Groups to Value Bins

Challenge No. 135: Generate the result table which is as per bin size.
Solved using: R.

August 23, 2025July 14, 2025
Convert to Pig Latin Cipher
Posted in
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  • ⭐️⭐️ Easy

Convert to Pig Latin Cipher

Challenge No. 348: Pig Latin Cipher – A new encrypted word is created with 3 components –
Component 1 – String having all alphabets from first vowel occurrence till end of the word
Component 2 – String having all alphabets before first vowel occurrence
Component 3 – String “ay”
Anything other than the English alphabet will be left as it is.
Solved using: R.

August 23, 2025July 21, 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