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Home » Challenges » By Difficulty » ⭐️⭐️⭐️ Intermediate » Page 15

⭐️⭐️⭐️ Intermediate

Moderate difficulty level.

Merge! Part 1
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  • Merging & Joining
  • Omid Challenges
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  • Python Challenges
  • ⭐️⭐️⭐️ Intermediate

Merge! Part 1

Challenge No. 114: In Question Table 1, the dates and product IDs are provided.
Solved using:Excel (FILTER, HSTACK, IFERROR), Google Sheets, Power Query (Text.Split, Table.AddColumn), Python, Python in Excel, R, and SQL.

May 26, 2025July 11, 2025
Sum Negative Numbers Only
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  • ⭐️⭐️⭐️ Intermediate

Sum Negative Numbers Only

Challenge No. 135: Extract the negative numbers and sum them from the given strings.
Solved using: Python in Excel.

May 25, 2025July 11, 2025
Add Suffix to Duplicates
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  • ⭐️⭐️⭐️ Intermediate

Add Suffix to Duplicates

Challenge No. 134: If an animal appears more than once, then that animal’s name should be suffixed with 1, 2, 3.
Solved using: SQL.

May 25, 2025July 11, 2025
Duplicate Values! Part 2
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  • ⭐️⭐️⭐️ Intermediate

Duplicate Values! Part 2

Challenge No. 113: Consider the IDs in the question table.
Solved using:Excel (DROP, IF, LAMBDA), Google Sheets, Power Query (List.Transform, Table.AddColumn, Table.AddIndexColumn), Python, Python in Excel, and R.

May 25, 2025July 11, 2025
Insert blank rows based on
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  • ⭐️⭐️⭐️ Intermediate

Insert blank rows based on

Challenge No. 35: Insert the number of blank rows after the records as per Number column.
Solved using: Python.

May 23, 2025July 30, 2025
Generate Cartesian product of values
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  • ⭐️⭐️⭐️ Intermediate

Generate Cartesian product of values

Challenge No. 34: Generate the Cartesian product as shown.
Solved using: SQL.

May 22, 2025July 30, 2025
Find Non-Common Words
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  • ⭐️⭐️⭐️ Intermediate

Find Non-Common Words

Challenge No. 112: Find the words which are not common between Group 1 and Group 2.
Solved using: SQL.

May 18, 2025July 14, 2025
Format FIFA data with hyphens
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  • ⭐️⭐️⭐️ Intermediate

Format FIFA data with hyphens

Challenge No. 30: — This week is for FIFA world cup challenges —
Insert a hyphen ( i.
Solved using: SQL.

May 18, 2025July 30, 2025
Characters Repetition!
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  • Text Processing
  • ⭐️⭐️⭐️ Intermediate

Characters Repetition!

Challenge No. 105: In the question table, where some passwords are provided, extract the 6 most commonly used characters across all the passwords and count their repetitions.
Solved using:Excel (CONCAT, FILTER, GROUPBY), Google Sheets, Power Query (List.Combine, List.Distinct, List.Transform), Python, Python in Excel, and R.

May 17, 2025July 11, 2025
Caesar Cipher Multi Shift
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  • ⭐️⭐️⭐️ Intermediate

Caesar Cipher Multi Shift

Challenge No. 103: This is the 3rd in series of Caesar’s Cipher Challenges.
Solved using: SQL.

May 16, 2025July 14, 2025

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  • By Difficulty
    • ⭐️ Beginner
    • ⭐️⭐️ Easy
    • ⭐️⭐️⭐️ Intermediate
    • ⭐️⭐️⭐️⭐️ Advanced
    • ⭐️⭐️⭐️⭐️⭐️Expert
    • ⭐️⭐️⭐️⭐️⭐️⭐️Complex
  • By Topic
    • Advanced Mathematics Problem
    • Aggregation & Summarization
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    • Custom Grouping
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    • Financial Problems
    • Indexing & Ranking
    • Merging & Joining
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    • Pivot & Unpivot
    • Text Processing
  • By Creator
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  • Books
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