The area of square park is 25 sq. Km. Time taken to complete a round of the field once, at a speed of 3 kmph is:
A. 4 hours 60 minutes
B. 4 hours 50 minutes
C. 6 hours 40 minutes
D. 5 hours 40 minutes
Answer: Option C
Solution (By Examveda Team)
Area of square = side × side= 25 sq. km. Side = 5 km. perimeter = 4 × 5 = 20 km. Time taken to complete one round with speed 3 kmph, = $$\frac{{20}}{3}$$= 6.66 hours
= 6 hour 40 minutes
Join The Discussion