Question 6

1. In a road worthiness test on 40 cars, 60% passed. The number that failed had faults in Clutch, Brakes and Steering as follows: Clutch only – 28; Clutch and Steering – 14; Clutch, Steering and Brakes – 8; Clutch and Brakes – 20; Brakes and Steering only – 6. The number of cars with faults in Steering only is twice the number of cars with faults in Brakes only.

   1. Draw a Venn diagram to illustrate this information.
   2. How many cars had:
   3. faulty Brakes?
   4. only one fault?