If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23. Finish the solution so that it returns the sum of all the multiples of ...

Implement a function in JavaScript that checks whether a given string is a palindrome (reads the same backward and forward). The function should ignore case sensitivity and non-alphanumeric characters ...

A palindrome in DNA is like a palindrome in language, but when read backwards, it is a complement of the forward sequence; effectively, the two halves of a sequence complement each other from its ...