Question

Six roads lead to a country. They may be indicated by letters X, Y, Z and digits 1, 2, 3. When there is a storm, Y is blocked. When there are floods, X, 1 and 2 will be affected. When road 1 is blocked, Z also is blocked. At a time when there are floods and a storm also blows, which road(s) can be used?

• A. Only Y
• B. Only Z
• C. Z and 2
• D. Z and 2

Hint:

- Pay attention to all conditions that affect each road and combine them logically to identify the unaffected roads.

Answer 1

The Correct Option is C

Step 1: Analyzing the Situation
When there is a storm, Y is blocked.
When there are floods, X, 1, and 2 will be affected.
When road 1 is blocked, Z is also blocked.
Step 2: Considering the Condition of Floods and Storm
Since there are both floods and a storm:
Y will be blocked due to the storm.
X, 1, and 2 will be affected due to the floods.
Z will be blocked because road 1 is blocked (and road 1 is affected by the floods).
Thus, the only road left that is not affected is 2.
Therefore, the roads that can be used are Z and 2.
Thus, the correct answer is (3) Z and 2.