Q420
A car moves a distance of 600 km with uniform speed. The number of hours taken for the journey is 2/3 of the number representing speed in km/h. The time taken to cover the distance is:
A car moves a distance of 600 km with uniform speed. The number of hours taken for the journey is of the number representing speed in km/h. The time taken to cover the distance is:
A.
15 hours
B.
18 hours
C.
24 hours
D.
20 hours
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Time : Speed = 2x : 3xDistance = 2x × 3x
600 = 6x2
x = 10
Time = 2x = 2 × 10 = 20 hours