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Home » Challenges » By Creator » Crispo Challenges » Page 6

Crispo Challenges

Including all the Excel Power BI Power Query Python R challenges designed by Crispo Mwangi.

Sum Visible Rows Using a Criteria
Posted in
  • Aggregation & Summarization
  • Crispo Challenges
  • ⭐️⭐️ Easy

Sum Visible Rows Using a Criteria

Challenge No. 16: Sum the total sales of the visible cells
NB: Include all “MILK” Product
Dynamic array function allowed but
Extra marks for Legacy Array Functions or PowerQuery Solution.
Solved using: Power Query.

May 8, 2025April 29, 2025
Advanced Lookup Data Separated by a Carriage Return
Posted in
  • Crispo Challenges
  • ⭐️⭐️⭐️ Intermediate

Advanced Lookup Data Separated by a Carriage Return

Challenge No. 15: Extract the least performed subject and marks
Dynamic array function allowed
but Extra marks for Legacy Array Functions or PowerQuery Solution.
Solved using: Power Query.

May 7, 2025April 29, 2025
Lookup and Get the Difference
Posted in
  • Crispo Challenges
  • ⭐️⭐️⭐️ Intermediate

Lookup and Get the Difference

Challenge No. 14: Rules:
Check Salary within Scale Table
If Exact within the table, (Salary-previous year Amount)
If between 2 years, get the difference between the two years
If No Previous Year, Return Zero
Strictly Legacy Array Functions or PowerQuery.
Solved using: Power Query.

May 6, 2025April 29, 2025
Clean and Sum a Text String
Posted in
  • Crispo Challenges
  • ⭐️⭐️ Easy

Clean and Sum a Text String

Challenge No. 13: Calculate the remaining visits
Strictly Legacy array function or PowerQuery.
Solved using: Python in Excel.

May 5, 2025April 29, 2025
Split, Multiply and  Sum a Text String 
Posted in
  • Crispo Challenges
  • ⭐️⭐️⭐️ Intermediate

Split, Multiply and  Sum a Text String 

Challenge No. 12: Calculate total sales
Strictly Legacy array function
Abdallah Ally Bhavya Gupta Richard Nero.
Solved using: Power Query.

May 4, 2025April 29, 2025
Reverse Lookup
Posted in
  • Crispo Challenges
  • Date & Time Handling
  • ⭐️⭐️⭐️⭐️ Advanced

Reverse Lookup

Challenge No. 9: Reverse Lookup of all the scheduled jobs, Dates and Time
Strictly Legacy Array Functions or PowerQuery.
Solved using: Python.

May 4, 2025April 29, 2025
Create Number Blocks From a Text String
Posted in
  • Crispo Challenges
  • Text Processing
  • ⭐️ Beginner

Create Number Blocks From a Text String

Challenge No. 11: Create blocks based on the sets of text number strings.
Solved using: Power Query.

May 3, 2025April 29, 2025
Extract and Format a Text String
Posted in
  • Crispo Challenges
  • ⭐️ Beginner

Extract and Format a Text String

Challenge No. 8: Extract and format the voucher number
Strictly Legacy array function or PQ
Nelson Mwangi.
Solved using: Power Query.

May 3, 2025April 29, 2025
Return a Date given the Month, Year, Day of the Week and Occurrence
Posted in
  • Crispo Challenges
  • Date & Time Handling
  • ⭐️⭐️⭐️ Intermediate

Return a Date given the Month, Year, Day of the Week and Occurrence

Challenge No. 7: Return a Date given the Month, Year, Day of the Week and Occurrence Strictly Legacy Array Functions or PowerQuery.
Solved using: Power Query.

May 2, 2025April 29, 2025
Split and  Sum a Text String Using a Criteria
Posted in
  • Aggregation & Summarization
  • Crispo Challenges
  • ⭐️⭐️⭐️ Intermediate

Split and  Sum a Text String Using a Criteria

Challenge No. 10: Sum only quantities above 100
Strictly use the Legacy array function or Power Query.
Solved using: Power Query.

May 2, 2025April 29, 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
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    • ⭐️⭐️⭐️⭐️⭐️⭐️Complex
  • By Topic
    • Advanced Mathematics Problem
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    • Column Transformation
    • Custom Grouping
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    • Financial Problems
    • Indexing & Ranking
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    • Missing Values
    • Pivot & Unpivot
    • Text Processing
  • By Creator
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  • Books
    • 96 Common Challenges in Power Query