If five cars are parked bumper to bumper, how many bumpers are touching each other?

A. 4
B. 5
C. 8
D. 10

C. 8

Let ↔be Car, then 5 cars parked will look like

↔↔↔↔↔

so by placing 5 cars bumper to bumper, there will be 8 bumpers touching because the front of first car and back of last car are left without touching.

 

 

 

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