Question

Six roads lead to a country They may be indicated by letter X, Y, Z, and digit 1, 2, 3. When there is a storm Y is blocked and 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. $1$
• B. $1andZ$
• C. $3$
• D. $3andZ$

Answer 1

The correct option is C $3$

Due to storm road Y is blocked Due to floods roads X 1 & 2 are affected When road 1 blocked road Z also blocked At a time when there are floods and a storm also blows only road 3 can be used