A car travels from agra to delhi at a constant speed. If its speed were increased by 10 km/hr, it would have been taken half an hour lesser to cover the distance. It would have taken 45 minutes lesser if the speed were further increased by 10 km/hr. The distance between the two cities is
Answers
Answered by
0
Answer:
I m sorry guys................
Answered by
0
Answer:
Explanation:
D/x-D/(x+10) = 1/2
20D = x²+10x-------------1
D/x-D/(x+20) = 3/4
80D = 3x²+60x------------2
Comparing both the eqs
3x²+60x = 4x²+40x
x²=20x
x = 20km/h
D = 30km
Similar questions