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Q.

Find the average speed of an auto rickshaw that covers a distance of 380 km in 10 hours after stopping in between for 2 hours.


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a

b

c

d

{"mathml":"<math class="image_resized" style="width:67px;height:37px"><span style="font-family: 

answer is A.

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Detailed Solution

Concept- To get the desired outcome, we must first understand the following connection between time, speed, and distance.{"mathml":"<math class="image_resized" style="width:45px;height:33px"><span style="font-family:is the result of the connection between time (t) , speed (s) , and distance (d) . The question then adds the requirement that the auto rickshaw must have stopped for two hours. We may calculate our average speed by replacing the values of the distance d and the duration t.
In order to achieve the desired outcome, we must first understand the following relationship between time, speed, and distance.
The connection between time(t) , speed(s) , and distance(d) is now as follows:
{"mathml":"<math class="image_resized" style="width:45px;height:33px"><span style="font-family:We may thus substitute the values of distance as 380 km and journey duration as 10 hours to obtain the auto rickshaw's average speed.
The auto rickshaw stooping for 2 hours is a further criterion that is listed in this query.
As a result, the total travel time will now be: 10 + 2 = 12 hours.
Now, by changing the values of the time t=12 hours and the distance d=380 kilometers, we obtain:
{"mathml":"<math class="image_resized" style="width:54px;height:37px"><span style="font-family:The average speed is then obtained by solving the formula above as follows:
{"mathml":"<math class="image_resized" style="width:67px;height:37px"><span style="font-family:Hence, the correct option is 1) {"mathml":"<math class="image_resized" style="width:67px;height:37px"><span style="font-family:  
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