Challenge No. 499: Lynch Bell Numbers – Generate the first 500 Lynch Bell Numbers starting with 2 digits.
Solved using: Excel VBA.
MID
Extracts a substring from a text string at a given position in Excel.
Date Cipher Decryption
Challenge No. 492: DATE CIPHER DECRYPTER – Decrypt the given messages which were encrypted using following logic.
Solved using: Python in Excel.
Max Frequency Characters
Challenge No. 487: Find the characters whose frequency is the maximum and also find the maximum frequency.
Solved using: Excel VBA.
Decrypt Caesar Cipher Variation
Challenge No. 480: Decrypt the given Encrypted text.
Solved using: Python in Excel.
Detect Wavy Number Pattern
Challenge No. 474: Wavy numbers – List the numbers where digits alternately get smaller or larger (they should not be equal).
Solved using: Excel VBA.
Decrypt Keyword Cipher Text
Challenge No. 471: Decrypt the Encrypted Text using Keyword Cipher.
Solved using: Python in Excel.
Next Larger Permutation
Challenge No. 470: Find the next number which is greater and made from arranging digits from that number.
Solved using: Python in Excel.
List Bouncy Numbers
Challenge No. 466: A Bouncy number is any non-negative integer that is neither increasing nor decreasing.
Solved using: Excel VBA.
List Palindromic Evil Numbers
Challenge No. 464: Work out the first 1000 Evil Numbers (at least 2 digits) which are Palindromic also.
Solved using: Python in Excel.
Insert Dashes After N Characters
Challenge No. 460: Insert the dashes after every N characters.
Solved using: Excel VBA.