How much time will take bike ?
A bike runs at the speed of 50 km/hr when not serviced and runs at 60 km/hr when serviced. After servicing the bike covers a certain distance in 6 hours. How much time will the bike take to cover the same distance when not serviced?
- 8.2 hours
- 6.5 hours
- 7.2 hours
- None of these
Answer: (3) 7.2 hours
The speed of bike when not serviced = 50 km/hr
The speed of bike when serviced = 60 km/hr
Time taken by serviced bike = 6 hours
Then total distance covered by serviced bike = 6 x 60
= 360 km
So, time taken by bike when not serviced = 360/50
= 7.2 hours
Hence, the correct answer is option (3) 7.2 hours.