I was observed on a certain day at peku DVLA office that, out of 120 cars taking road worthiness tests, 60% passed. Of the number that failed, faults in brakes, light and steering were follows.
Brakes only 14
Brakes, steering and lights 4
Brakes and lights only 3
The number of cars that failed because of faults in steering only equaled the number of cars failed due to faults in lights only.
1. Illustrate the information above in a venn diagram
2. How many cars has faulty lights?
3. How many cars had only one fault?
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