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 ...

Getting started with gardening often feels exciting, but it’s easy to run into surprises along the way. Many people jump in with high hopes, only to discover there’s a lot more to it than watering and ...