The question for the day is from the topic of Races.
A skating champion moves along the circumference of a circle of radius 21 meters in 44 seconds. How many seconds will it take her to move along the perimeter of a hexagon of side 42 meters?
(1)
56
(2)
84
(3)
64
(4)
48
Correct Answer - (2) Solution:
Circumference = 132 meters
Speed of the skater = Distance covered / Time taken
Perimeter of hexagon = 6a = 6 X 42
= 252m
Time taken to cover the perimeter of the hexagon = Distance (perimeter) / Speed
Seconds