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Network Days Between Year-Months
Posted in
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️ Intermediate

Network Days Between Year-Months

Challenge No. 124: Calculate the Network Days Count between given Months.
Solved using: Python in Excel.

August 12, 2025July 14, 2025
List numbers not in Fibonacci sequence
Posted in
  • ExcelBI Excel Challenges
  • ⭐️ Beginner

List numbers not in Fibonacci sequence

Challenge No. 326: List the numbers which are not a Fibonacci number.
Solved using: Python in Excel.

August 12, 2025July 21, 2025
Find missing terms in arithmetic progressions
Posted in
  • ExcelBI Excel Challenges
  • Missing Values
  • ⭐️ Beginner

Find missing terms in arithmetic progressions

Challenge No. 325: Find the missing terms in Arithmetic Progressions given.
Solved using: Python in Excel.

August 11, 2025July 21, 2025
Table Transformation! Part 24
Posted in
  • Data Cleaning
  • Omid Challenges
  • Power Query Challenges
  • ⭐️⭐️⭐️⭐️ Advanced

Table Transformation! Part 24

Challenge No. 192: Any row with a negative quantity should reduce the corresponding value in the previous rows for the related product.
Solved using:Excel (DROP, FILTER, LAMBDA), Google Sheets, Power Query (Table.Group, Table.SelectRows, Table.Sort), Python, Python in Excel, and R.

August 11, 2025July 11, 2025
Split Time into Weekly Blocks
Posted in
  • Column Splitting
  • Date & Time Handling
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️⭐️⭐️Complex

Split Time into Weekly Blocks

Challenge No. 123: Calculate Start and Finish date times along-with duration in hours for all weeks.
Solved using: Python in Excel.

August 11, 2025July 14, 2025
List subjects appearing within +/-1 row in column B
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  • ExcelBI Excel Challenges
  • ⭐️ Beginner

List subjects appearing within +/-1 row in column B

Challenge No. 324: List the subjects from column A which appear in column B within +1 or -1 position to column A.
Solved using: DAX.

August 11, 2025July 21, 2025
Find palindromic substrings with at least 3 digits
Posted in
  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Find palindromic substrings with at least 3 digits

Challenge No. 323: Find the substrings of given numbers which are Palindromic.
Solved using: DAX.

August 10, 2025July 21, 2025
Column Splitting! Part 5
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  • Column Splitting
  • Excel Challenges
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  • Python Challenges
  • ⭐️⭐️ Easy

Column Splitting! Part 5

Challenge No. 191: If an ID contains multiple separators (like -, _, .
Solved using:Excel (HSTACK, LAMBDA, LEN), Google Sheets, Power Query (Text.PositionOf, Table.AddColumn, Table.FromRows), Python, Python in Excel, and R.

August 10, 2025July 11, 2025
Calculate Vehicle Daily Usage
Posted in
  • Column Transformation
  • Date & Time Handling
  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️⭐️⭐️⭐️Complex

Calculate Vehicle Daily Usage

Challenge No. 122: Transform the problem table into result table and work out the total number of hours a vehicle has run on a particular date.
Solved using: Power Query (List.Transform).

August 10, 2025July 14, 2025
Top 3 employees nearest to average salary
Posted in
  • ExcelBI Excel Challenges
  • ⭐️ Beginner

Top 3 employees nearest to average salary

Challenge No. 322: Find the top 3 employees whose salary is nearest to average salary.
Solved using: DAX.

August 10, 2025July 21, 2025

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  • 96 Common Challenges in Power Query
  • Advanced Mathematics Problem
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  • Books
  • Column Splitting
  • Column Transformation
  • Crispo Challenges
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  • Date & Time Handling
  • Excel Challenges
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  • Omid Challenges
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  • ⭐️⭐️⭐️⭐️⭐️⭐️Complex

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