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Reverse, Cipher and Shift Text
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  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Reverse, Cipher and Shift Text

Challenge No. 407: Mirror Cipher with Caesar’s Shift – Reverse the words and then reverse the alphabets within the words.
Solved using: Python.

September 21, 2025July 23, 2025
Weekday Weekend Sales Report
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️ Easy

Weekday Weekend Sales Report

Challenge No. 170: Calculate the sum of sale for Weekdays and Weekends.
Solved using: Python in Excel.

September 21, 2025July 14, 2025
Find Sides of Right Triangle
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  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Find Sides of Right Triangle

Challenge No. 406: For a right angled triangle, Area and Hypotenuse are given.
Solved using: Python in Excel.

September 21, 2025July 23, 2025
List Prime-Surrounded Sandwich Numbers
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  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

List Prime-Surrounded Sandwich Numbers

Challenge No. 405: Sandwich numbers – A number is said to be a Sandwich number if the number prior to it and the number after it, both are primes.
Solved using: Excel VBA.

September 20, 2025July 23, 2025
Department Totals and Summary
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  • Custom Grouping
  • ExcelBI Power Query Challenges
  • ⭐️⭐️ Easy

Department Totals and Summary

Challenge No. 165: Insert the total row containing count of employees and sum of salary at the bottom of each dept groups.
Solved using: R.

September 20, 2025July 14, 2025
Render ASCII US Flag
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  • ExcelBI Excel Challenges
  • ⭐️⭐️⭐️ Intermediate

Render ASCII US Flag

Challenge No. 404: Generate US ASCII flag.
Solved using: Python.

September 20, 2025July 23, 2025
Summarize by Five-Year Brackets
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  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Summarize by Five-Year Brackets

Challenge No. 403: Generate the Sum of Value and % of Value for year brackets of 5 years each.
Solved using: Python in Excel.

September 19, 2025July 23, 2025
Validate Vehicle Registration Numbers
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️ Intermediate

Validate Vehicle Registration Numbers

Challenge No. 163: Extract the valid vehicle registration numbers from given data table T2.
Solved using: R.

September 19, 2025July 14, 2025
Encrypt Using Vigenere Cipher
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  • Text Processing
  • ⭐️⭐️⭐️⭐️ Advanced

Encrypt Using Vigenere Cipher

Challenge No. 402: Vignere Cipher – Write the plain text (p) and keyword (k) beneath that.
Solved using: Python in Excel.

September 19, 2025July 23, 2025
Form Pyramid from Text String
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  • ⭐️⭐️ Easy

Form Pyramid from Text String

Challenge No. 401: Prepare the triangle from column A strings.
Solved using: Python.

September 18, 2025July 23, 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
    • 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