Not A.(17 is a common factor)
B. only common factor is 1
not C (7 is a common factor)
D. only common factor is 1
Both B and D are relatively prime.
Given:
Speed limit on a highway is 110 km per hour.
Let x be the speed of the car in time 't'

time when taken for a car to travel 132km.

It takes minimum 1 hour 12 minutes