# How much faster in kilometer per hour, on an average, must he travel to make a journey in 5/3 hour less time?

137 views

Jatin travels a distance of 100 km in 5 hours.
How much faster in kilometer per hour, on an average, must he travel to make a journey in 5/3 hour less time?

posted Dec 21, 2020

10 km/hr faster
.
100 km in 5 hr = 20 km/hr
100 km in (5-5/3=) 3.33 hr = 30 km/hr
Difference is 10 km/hr.

Similar Puzzles

Barry is driving back home to Sue after a weekend away. If he travels at an average speed of 60kmph, the journey will take 40min longer then if he traveled at an average speed of 15kmph faster.

How far apart have Barry and Sue been this weekend?

Mohan covered a distance of 360 km between two cities, taking a total of 13 hours 30 minutes.
If part of the distance was covered at 50 km per hour speed and the rest at 60 km per hour speed.
How many hours did he travel at 60 km per hour?

A man covers a distance on scooter. Had he moved 3 kmph faster he would have taken 40 min less. If he had moved 2 kmph slower he would have taken 40min more. What is the distance he wanted to cover?

+1 vote

A car has travelled 60 kms at 60 kmph.

It started its journey with 8 litres of fuel, but its tank has been leaking throughout its journey and is now dry.

The car completes 40 kms per litre.

How many litres of fuel does it leak per hour?