Question

What are the colors of the warning signs that indicate hazards ahead, such as curves in the road or narrow bridges?

A.
Black letters or symbols on a white background

B.
Black letters or symbols on a yellow background

C.
White letters or symbols on a blue background

D.
White letters or symbols on a green background

Answer 1

The correct answer is:

B. Black letters or symbols on a yellow background

Yellow is commonly used for warning signs that indicate hazards ahead, such as curves in the road or narrow bridges.