AMC12 2021 A

AMC12 2021 A · Q4

AMC12 2021 A · Q4. It mainly tests Logic puzzles.

Tom has a collection of $13$ snakes, $4$ of which are purple and $5$ of which are happy. He observes that Which of these conclusions can be drawn about Tom's snakes?

Tom有$13$条蛇，其中$4$条是紫色的，$5$条是快乐的。他观察到关于Tom的蛇，能得出以下哪个结论？

(A) Purple snakes can add. Purple snakes can add.

(B) Purple snakes are happy. Purple snakes are happy.

(D) Happy snakes are not purple. Happy snakes are not purple.

(E) Happy snakes can't subtract. Happy snakes can't subtract.

Answer

Correct choice: (D)

正确答案：（D）

Solution

See the picture

Topics

LM.001 Logic puzzles