Math topic中文

Logical reasoning problems

Solve truth-teller and correspondence puzzles by tabulating conditions, assuming and eliminating step by step.

Practice questions

  1. 1A scientist walking through a forest recorded as integers the heights of 5 trees standing in a row. She observed that ea…
  2. 2一个除法算式，把被除数、除数、商相加得124，被除数是（ ） A. 62 B. 124 C. 不能确定
  3. 3Malcolm wants to visit Isabella after school today and knows the street where she lives but doesn't know her house numbe…
  4. 4Tom has twelve slips of paper which he wants to put into five cups labeled AA, BB, CC, DD, EE. He wants the sum of…
  5. 5Lola, Lolo, Tiya, and Tiyo participated in a ping pong tournament. Each player competed against each of the other three…
  6. 6Five runners completed the grueling Xmarathon: Luke, Melina, Nico, Olympia, and Pedro. • Nico finished 11 minutes behind…
  7. 7The Konigsberg School has assigned grades 11 through 77 to pods AA through GG, one grade per pod. Some of the pods a…
  8. 8Peter, Emma, and Kyler played chess with each other. Peter won 44 games and lost 22 games. Emma won 33 games and lost…
  9. 9Aaron, Darren, Karen, Maren, and Sharon rode on a small train that has five cars that seat one person each. Maren sat in…
  10. 10The faces of a cube are painted in six different colors: red (R), white (W), green (G), brown (B), aqua (A), and purple…