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Home » Challenges » By Difficulty » ⭐️⭐️ Easy » Page 16

⭐️⭐️ Easy

Slightly challenging problems for learners.

Decimal to Roman Numerals
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  • ExcelBI Excel Challenges
  • ⭐️⭐️ Easy

Decimal to Roman Numerals

Challenge No. 349: For conversion from Decimal to Roman Number, value of characters to be used – M-1000, D-500, C-100, L-50, X-10, V-5 & I-1.
Solved using: R.

August 23, 2025July 21, 2025
Convert to Pig Latin Cipher
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  • ⭐️⭐️ Easy

Convert to Pig Latin Cipher

Challenge No. 348: Pig Latin Cipher – A new encrypted word is created with 3 components –
Component 1 – String having all alphabets from first vowel occurrence till end of the word
Component 2 – String having all alphabets before first vowel occurrence
Component 3 – String “ay”
Anything other than the English alphabet will be left as it is.
Solved using: R.

August 23, 2025July 21, 2025
Assign Groups to Value Bins
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  • ExcelBI Power Query Challenges
  • ⭐️⭐️ Easy

Assign Groups to Value Bins

Challenge No. 135: Generate the result table which is as per bin size.
Solved using: R.

August 23, 2025July 14, 2025
Find Longest Consecutive Sequence
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  • Custom Grouping
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  • ⭐️⭐️ Easy

Find Longest Consecutive Sequence

Challenge No. 347: List the largest group of consecutive numbers in each column.
Solved using: R.

August 22, 2025July 21, 2025
Replace letters with nearest vowels
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  • ⭐️⭐️ Easy

Replace letters with nearest vowels

Challenge No. 346: The string contains only English alphabets.
Solved using: Python in Excel.

August 22, 2025July 21, 2025
Find the Nth Fibonacci number
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  • ⭐️⭐️ Easy

Find the Nth Fibonacci number

Challenge No. 339: A Fibonacci number is a sum of previous two terms starting with 0 & 1.
Solved using: R.

August 18, 2025July 21, 2025
Calculate check digit using Damm algorithm
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  • ⭐️⭐️ Easy

Calculate check digit using Damm algorithm

Challenge No. 338: Calculate check digit using Damm algorithm.
Solved using: Python in Excel.

August 18, 2025July 21, 2025
Count of numbers where digits’ product equals value
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  • ⭐️⭐️ Easy

Count of numbers where digits’ product equals value

Challenge No. 337: Find the Min, Max and Count of numbers having number of digits in column A whose product of digits is equal to column B.
Solved using: R.

August 17, 2025July 21, 2025
Column Splitting! Part 6
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  • ⭐️⭐️ Easy

Column Splitting! Part 6

Challenge No. 196: Split the ID into two columns:
The first column should contain all letters.
Solved using:Excel (CONCAT, HSTACK, LAMBDA), Google Sheets, Power Query (List.Transform, Text.Select, Table.AddColumn), Python, Python in Excel, and R.

August 15, 2025July 11, 2025
Missing Characters!
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  • Missing Values
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  • ⭐️⭐️ Easy

Missing Characters!

Challenge No. 195: In the ID column, the text should follow the format XX/XX/XX/XX (with a ‘/’ after every two characters).
Solved using:Excel (IF, LAMBDA, LEN), Power Query (List.Transform, Text.Combine, Text.Split), Python, Python in Excel, and R.

August 14, 2025July 11, 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
    • ⭐️ 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
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    • Google Sheets Challenges
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    • R Challenges
    • SQL Challenges
  • Books
    • 96 Common Challenges in Power Query