Q114
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
AnswerD.
5 hours 40 minutes
Answer: Option C
Solution
Answer: Option C
Solution:
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,
=
= 6.66 hours
= 6 hour 40 minutes