1. It was observed on a certain day at Peku DVLA office that, out of 120 cars taking
roadworthiness tests, 60% passed. Of the number that failed, faults in brakes, light and steering
were as follows:
Brakes only 14
Brakes, Steering and Lights 4
Brakes and Lights 10
Steering and Lights only 3
The number of cars that failed because of faults in Steering only equaled the number of cars that
failed due to faults in Lights only
a) Illustrate the information above in a Venn diagram
b) How many cars had faulty Lights?
c) How many cars had only one fault?
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