The correct statement will be that there are seven different types of colors used to denote the different types of traffic signs. So, the correct option that matches the statement above is A.
The seven different colors used are the colors which are primary in nature as they are considered to be the brightest colors and help the drivers and people on roads to identify the traffic conditions.
- The main three colors used for denoting the traffic signals are Red, Yellow and Green where Green signs to commute, Yellow denotes to turn on the ignition and the red denotes to stop at the signal.
- However there are four other colors out of the colors of the rainbow that are used for denoting different signals of the traffics. The other four colors being Violet, Indigo, Blue and Orange.
- The reason that these colors are used to denote the traffic signs is because these colors travel the farthest and enable the drivers to identify the traffic sign from a further distance.
Hence, the correct option is A that there are seven different colors used to denote the different types of traffic signs.
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