Challenge No. 204: A Dudeney number is a positive integer that is a perfect cube such that the sum of its decimal digits is equal to the cube root of the number.
Solved using: Power Query (List.Transform).
MID
Extracts a substring from a text string at a given position in Excel.
Encrypt Using Baconian Cipher
Challenge No. 203: Baconian Cipher
(This problem is case insensitive)
A is 0, B is 1, C is 2.
Solved using: Power Query.
Column Splitting! Part 1
Challenge No. 136: Split the ID values where a character is repeated consecutively.
Solved using:Excel (CONCAT, DROP, IF), Google Sheets, Power Query (List.Transform, Text.Combine, Table.AddColumn), Python, Python in Excel, and R.
Next Distinct Digit Number
Challenge No. 201: Find the next number which is having all digits distinct.
Solved using: Python in Excel.
List Isogram Words Only
Challenge No. 200: List all isograms from column A – An isogram is that word where letters occur same number of times
Ex.
Solved using: Power Query.
Identify The Pattern !
Challenge No. 135: Find the number of occurrences of the “+-+” pattern across the test IDs for each product.
Solved using:Excel (BYROW, CONCAT, DROP), Google Sheets, Power Query (List.Range, Text.Combine, Table.AddColumn), Python, Python in Excel, and R.
Repeat Characters by Position
Challenge No. 196: Repeat a character as per its position in the string and insert spaces between them.
Solved using: Excel VBA.
Find Missing Letters in Order
Challenge No. 193: Listed are the strings where letters are in increasing order.
Solved using: Power Query.
Year Plus Digits Equals Current
Challenge No. 192: Excel formulas permit date range from 1-Jan-1900 to 31-Dec-9999.
Solved using: Python in Excel.
Find Anagram Word Pairs
Challenge No. 187: An Anagram is a word which is made by rearranging the letters of another word.
Solved using: Power Query.
