Direction: In the following figure that represents a network of roads, more than one road meets at intersections identified by numbers written on them. The traffic department is considering installation of surveillance cameras at these intersections that are capable of identifying all traffic violations on all the roads converging there. The cost of installing a surveillance camera at an intersection is equal to the intersection number (in lakhs of rupees). The Traffic Department wants all roads to be monitored at the minimum cost.
Statement 1 : It is more cost-effective to have surveillance cameras on intersections 2 and 4 than on intersections 7 and 3.
Statement 2 : Intersection 5 must have a surveillance camera.
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Which nodes should be selected for installation of surveillance cameras?
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- 3, 6 and 7
- 3, 1 and 4
- 2, 5 ,1 and 4
- None of these
Correct Option: C
On the basis of above given question ,we can say that
Similar to the above answer cameras are put on 2, 5, 1 and 4 to minimize the cost.
