Question Radial and bias-ply tires: Answers Should be used together. Should be used together on the front of a vehicle. Should not be used together. Explanation Radial and bias-ply tires should not be used together. All wheels on a vehicle should be the same style and equally-sized. Take a FREE Practice Test Now This questions appears in the following tests: Michigan Knowledge Test Class A , Ohio Knowledge Test Class B , Oklahoma Knowledge Test Class B , Arizona Tank ,