Questions inspired from Project Euler

Level 1

Challenge User Adding Date Solution Count
1.1 Factorial digit sum Ufuk Uzun 09 Feb 2015 7
1.2 Digit factorials Ufuk Uzun 09 Feb 2015 3
1.3 Sum of all the multiples of 3 or 5 Ufuk Uzun 19 Feb 2015 9