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VTMO 2026 - Grade 3 - Semifinal - SET 6 - Self-study Question 16

VTMO · VTMO 2026 - Grade 3 - Semifinal - SET 6 - Self-study

Question 16

Anh, Binh and Chau live in three different houses, coloured red, blue and yellow, with house numbers 1, 8 and 23.

Anh says: “My house is not blue, and my house number is 8.”

Binh says: “My house is red, and my house number is not 8.”

Chau says: “My house number is 1, and I know that Binh’s house is red.”

Exactly one part of each person’s statement is true and the other part is false. Which option is correct?

Question illustration
  1. Anh: blue house; Binh: number 23; Chau: yellow house.
  2. Anh: red house; Binh: number 23; Chau: number 1.
  3. Anh: yellow house; Binh: blue house; Chau: number 23.
  4. Anh: number 8; Binh: yellow house; Chau: number 1.
  5. Anh: number 1; Binh: red house; Chau: yellow house.