If a vehicle started the journey at and finished the journey at 2:00 am and the odometer reading before the journey and after the journey are: 153375 km and 153725 km respectively. Then find out
  1. distance
  2. Total time
  3. Average speed


Given:

The initial reading of the odometer of the vehicle = 153375 km

The final reading of the odometer of the vehicle = 153725 km


To find: Distance, Total time, Average speed.


Solution:

(a) distance

Distance covered by car = (The initial reading of the odometer of the vehicle $-$ The final reading of the odometer of the vehicle) 

Distance covered by car = 153375 $-$ 153725 km = 15 km


(b) Total time

The car starts at 10:30 AM and stops at 02:50 AM.

Therefore, the time taken between 10:30 AM to 02:50 AM = 260 minutes = 260/60 hour = 13/3 hour


(c) Average speed

To find the speed, at first we need to fidn out the speed

We know that-

$Averaage\ Speed=\frac{Total\ Distance\ Travelled}{Total\ Time\ taken}$

$Averaage\ Speed=\frac{15}{\frac{13}{3}}$

$Averaage\ Speed=\frac{15\times 3}{13}$

$Averaage\ Speed=3.46km/h$

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Updated on: 10-Oct-2022

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