Status Title Difficulty
1001. Unique Three Digit Multiples Level 5
1002. Divisible Sum of Digits Level 2
1003. Girls' Line Up Pattern Level 1
1004. Sum of Square Root Factors Level 2
1005. Modulo 7 Sum Sequence Level 4
1006. Prime Product Unit Digit Level 3
1007. Prime Two Digit Permutations Level 2
1008. Base 11 Factorial Zeroes Level 5
1009. LCM Ratio GCD Level 5
1010. Base Representation Probability Level 5
1011. Sum Remainder Puzzle Level 2
1012. Prime Probability Constraint Level 4
1013. Base 6 Subtraction 2 Level 3
1014. Set of Terminating Decimals Level 5
1015. Smallest Modulo 7 Congruent Level 2
1016. Modulo Condition Solution Level 5
1017. Maximal Multiple Puzzle Level 4
1018. Base Representation Ending Level 5
1019. Remainder Calculation Level 2
1020. Alternate Base Equation Level 4