11. Two numbers A and B have an LCM of 2,760 and an HCF of 46. If A = 184 what is B?
12. A rectangular ceiling has a length and width of 8 meters and 6 meters, respectively. The ceiling needs 4 coats of paints. If each can covers 24 m2, how many cans of paints are needed?
13. The figure below shows a road map connecting two Shopping Centres A and B in a certain city. Regions VYVY represents a large residential estate in the city. Find the number of shortest routes to travel from A to B along the roads shown in the figure.
14. Determine the maximum value of n such that
\(2 + 4 + 6 + ⋯ + n ≤ 120\)
15. A horse was tied to a peg at one corner of a square fenced field by means of a 12-meter rope. The square field is 10 meters long. Assuming that the horse is outside the square field, what is area in which the horse can graze? (write your answer in terms of π)