top button
Flag Notify
    Connect to us
      Site Registration

Site Registration

A train travels 50 km distance with speed 50 km/hr and next 50 km with speed 60 km/hr. What will be the average speed?

0 votes
49 views
A train travels 50 km distance with speed 50 km/hr and next 50 km with speed 60 km/hr. What will be the average speed?
posted Apr 16, 2021 by Mishthy Mukherjee

Share this puzzle
Facebook Share Button Twitter Share Button LinkedIn Share Button

1 Answer

0 votes

54.5 km/h
.
First part = 50 / 50 = 60 minutes
Second part = 50 / 60 = 50 minutes
Total time = 110 minutes. Total distance = 100 km
Average speed = 100 / (110/60) =54.5 km/hr

answer Apr 18, 2021 by Jcm



Similar Puzzles
0 votes

The distance between two places R and S is 42 km. Anita starts from R with a uniform speed of 4 km/hr towards S and at the same time Romita starts from S towards R also with some uniform speed.
They meet each other after 6 hours.
What is the speed of Romita?

0 votes

How many seconds will a 468 m long train take to cross a man driving his motor bike at a speed of 39 km/hr in a direction of the moving train if the speed of the train is 120 km/hr?

+1 vote

Ram travels a certain distance at 3km/hr and reached 15 min late. If he travels at 4 km/hr, he reached 15 min earlier.
What is the distance he has to travel.

0 votes

A man travels 840 km in 12 hours, partly by train and partly by car.
If he had travelled all the way by train, he would have saved 1/4 of the time he would have taken to travel by car only and would have arrived at his destination 1 hour 30 minutes early.
Find the distance he covered while travelling by car.

...