Suresh goes on a trip on his motor-cycle and rides for 410kms. If he rides for 5 hours at a speed of 50km/hr, find at what speed he travels for the remaining 4 hours of the journey?
- A47km/hr
- B40km/hr
- C56km/hr
- D48km/hr
Solution & Step-by-step Explanation
Total distance of the journey = 410km
Distance covered in the first 5 hours:
Distance
1
=Speed
1
×Time
1
=50×5=250km
Remaining distance to be covered:
Remaining Distance=410−250=160km
Remaining time = 4 hours
Required speed for the remaining journey:
Speed=
Remaining Time
Remaining Distance
=
4
160
=40km/hr
Distance covered in the first 5 hours:
Distance
1
=Speed
1
×Time
1
=50×5=250km
Remaining distance to be covered:
Remaining Distance=410−250=160km
Remaining time = 4 hours
Required speed for the remaining journey:
Speed=
Remaining Time
Remaining Distance
=
4
160
=40km/hr