- Find numbers which are divisible by given number
- What's up next?
- Even or Odd
- String Repeat
- Remove First and Last Character
- Sum of positive
- Find the smallest integer in the array
- Remove String Spaces
- Counting sheep...
- Grasshopper - Summation
- Convert number to reversed array of digits
- A Needle in the Haystack
- Calculate average
- Century From Year
- Rock Paper Scissors!
- Square(n) Sum
- DNA to RNA Conversion
- The Feast of Many Beasts
- Beginner - Lost Without a Map
- Correct the mistakes of the character recognition software
- Sentence Smash
- Cat years, Dog years
- Beginner - Reduce but Grow
- Beginner Series #2 Clock
- Sort and Star
- Array plus array
- Get the Middle Character
- Vowel Count
- Highest and Lowest
- Shortest Word
- Descending Order
- Disemvowel Trolls
- Jaden Casing Strings
- Isograms
- List Filtering
- Credit Card Mask
- Categorize New Member
- Number of People in the Bus
- Remove the minimum
- Find how many times did a team from a given country win the Champions League?
- Two fighters, one winner.
- Reverse words Try to do this without using
.reverse() - Maximum Length Difference
- Sort array by string length
- Alphabet War
- Rock Off!
- Is Ruby Coming?
- Greet Developers
- JavaScript Developers
- Tootsie Pop
- Interactive Dictionary
- Sorted? yes? no? how?
- Find the capitals