PAT Level A 20 Questions

• 1001 A+B Format (20)
• 1005 Spell It Right (20)
• 1008 Elevator (20)
• 1011 World Cup Betting (20)
• 1015 Reversible Primes (20)
• 1019 General Palindromic Number (20)
• 1023 Have Fun with Numbers (20)
• 1027 Colors in Mars (20)
• 1031 Hello World for U (20)
• 1035 Password (20)
• 1041 Be Unique (20)
• 1042 Shuffling Machine (20)
• 1046 Shortest Distance (20)
• 1050 String Subtraction (20)
• 1054 The Dominant Color (20)
• 1058 A+B in Hogwarts (20)
• 1061 Dating (20)
• 1065 A+B and C (64bit) (20)
• 1069 The Black Hole of Numbers (20)
• 1073 Scientific Notation (20)
• 1077 Kuchiguse (20)
• 1081 Rational Sum (20)
• 1084 Broken Keyboard (20)
• 1088 Rational Arithmetic (20)
• 1092 To Buy or Not to Buy (20)
• 1096 Consecutive Factors (20)
• 1100 Mars Numbers (20)
• 1104 Sum of Number Segments (20)
• 1108 Finding Average (20)
• 1112 Stucked Keyboard (20)
• 1116 Come on! Let’s C (20)
• 1120 Friend Numbers (20)
• 1124 Raffle for Weibo Followers (20)
• 1128 N Queens Puzzle (20)
• 1132 Cut Integer (20)
• 1136 A Delayed Palindrome (20)
• 1140 Look-and-say Sequence (20)
• 1144 The Missing Number (20)