Challenge No. 163: If an alphabet appears once in a word, replace it with a “?”.
Solved using: Power Query (Table.AddColumn).
SEQUENCE
Generates a sequence of numbers in an array in Excel.
Vernam Cipher Encrypt
Challenge No. 162: Vernam Cipher (also known as One time pad cipher)
1.
Solved using: Power Query (List.ReplaceMatchingItems, List.Transform, List.Zip).
Reverse Long Words
Challenge No. 161: If a word in sentence has length > Number, then reverse that word.
Solved using: Power Query (Text.Combine).
Table Transformation! Part 11
Challenge No. 122: Transform the question table into the reult table format.
Solved using:Excel (DROP, FILTER, HSTACK), Google Sheets, Power Query (List.Transform, Text.Contains, Table.AddColumn), Python, Python in Excel, and R.
Create Date Range Based on Rules
Challenge No. 46: Generate the result table as shown.
Solved using: SQL.
Alphabet Prime Mapping
Challenge No. 160: Generate first 26 prime numbers starting with 2 till 101 (101 is 26th prime number).
Solved using: Python in Excel.
Reverse Cities Columns
Challenge No. 159: Reverse all columns from Cities1 to Cities5.
Solved using: Power Query (List.RemoveNull, List.Reverse, List.Transform).
Power!
Challenge No. 121: Create the given table for the continuous values of power and bases.
Solved using:Excel (LAMBDA, MAKEARRAY, ROW), Office Script, Power Query (List.Transform), and Python in Excel.
Workday Count Between Dates
Challenge No. 157: Find the number of workdays between two dates (From & To) for Weekends given in column E.
Solved using: Power Query (NETWORKDAYS.INTL).
Find Pythagorean Dates
Challenge No. 156: Pythagorean dates are those dates where DD^2 + MM^2 = YY^2
For example: 16-Dec-2020 where 16^2 + 12 ^2 = 20^2
List all Pythagorean dates (in YYYYMMDD format) from current century.
Solved using: Python in Excel.