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Quantity Times Price Total
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Quantity Times Price Total

Challenge No. 231: Pivot the problem tables into result table.
Solved using: Python in Excel.

November 16, 2025July 14, 2025
Rank by Student Grade
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  • Indexing & Ranking
  • ⭐️ Beginner

Rank by Student Grade

Challenge No. 518: Rank the students on the basis of grades.
Solved using: Python.

November 16, 2025July 30, 2025
Perfect Square Predecessor Checker
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  • ⭐️⭐️⭐️ Intermediate

Perfect Square Predecessor Checker

Challenge No. 517: Arrange the given numbers in such a fashion that sum of preceding + current number is a perfect square.
Solved using: Python in Excel.

November 15, 2025July 30, 2025
Sum Sales By Month
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  • Aggregation & Summarization
  • ExcelBI Power Query Challenges
  • ⭐️⭐️ Easy

Sum Sales By Month

Challenge No. 230: Summarize the table as shown by summing up Sales against each month.
Solved using: Python in Excel.

November 15, 2025July 14, 2025
Smallest Product Digit Number
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  • ⭐️⭐️⭐️ Intermediate

Smallest Product Digit Number

Challenge No. 516: Find the smallest numbers whose product of digits is equal to numbers in column A.
Solved using: Python in Excel.

November 15, 2025July 30, 2025
Create Weekly Group
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Create Weekly Group

Challenge No. 72: Create Weekly Date Groups and Sum
A Week runs from Monday to Sunday
Dynamic array function allowed, but Extra marks for Legacy solutions or PowerQuery Solution.
Solved using: R.

November 14, 2025July 11, 2025
Normalize Tabular Data
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  • ⭐️ Beginner

Normalize Tabular Data

Challenge No. 515: Normalize the data given in columns A to B as given in Answer Expected.
Solved using: Python.

November 14, 2025
Clean Salary and Promotion Data
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️⭐️ Intermediate

Clean Salary and Promotion Data

Challenge No. 226: Clean the given data and align them properly in departments and sort on Dept ID & Names.
Solved using: Python in Excel.

November 14, 2025July 14, 2025
Max 2×2 Grid Sum
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  • ⭐️ Beginner

Max 2×2 Grid Sum

Challenge No. 514: Find the 2×2 grids in the given 5×5 grid where sum is the maximum.
Solved using: Python in Excel.

November 14, 2025July 23, 2025
Sort by Unit Digit
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  • ⭐️ Beginner

Sort by Unit Digit

Challenge No. 513: Sort the numbers on the basis of unit digit (last digit).
Solved using: Python.

November 13, 2025July 23, 2025

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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