Texas driver's examination

(From the 2018 Texas driver handbook)
Number of tests: 12
Number of questions: 30
Passing score: 21
Directions: As part of the Less Tears More Years Act, all applicants who are under 25 years of age is required to take a driver education course to apply for a driver license. Upon successful completion of the course, the person is required to take the knowledge test, also known as the written test.

You need a grade of 70 percent or better to pass the knowledge test.
You have made error so far
Passing grade —
9 or fewer errors
You must yield for emergency vehicles:
When you see a flashing red or blue light or hear a siren
Only when other vehicles yield
None of the above
This road sign means:
traffic signals are ahead
roundabout head
left turn yield on green
no passing zone
When two vehicles arrive at an intersection at the same time, which one has the right-of-way when no signs or signals indicate rules?
The car approaching from the right has the right-of-way.
The car approaching from the left has the right-of-way.
The car in which the driver sounds his horn first has the right-of-way.
The car that is traveling faster has the right-of-way.
This road sign means:
merging traffic
intersection ahead
winding road
steep grade ahead
This road sign means:
steep grade ahead
when pavement is wet, reduce your speed
traffic increases ahead
the road ahead winds a series of turns or curves
Taking drugs along with alcohol:
Has no effect on your general driving ability
Increases the risk of causing a crash
Is no more dangerous than alcohol by itself
Lessens the effect of alcohol on your ability to drive
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