A car covers a distance of 16 km in 15 minutes. Find its speed in km/hr.

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69 km/hr

64 km/hr

74 km/hr

68 km/hr

answer is B.

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Detailed Solution

Concept- We shall convert time that is given in minutes to hours utilizing the relation that 1 hour is equal to 60 minutes in order to comply with the question's request to report the response in kilometers per hour. Once you have converted the time in hours, use the formula speed

to get the answer to the above question.
We know, 1 hour

minutes, so we can say that

hour

minutes. Using this we can say that

hour

minutes, which gives us that 15 minutes is equal to

Now we will use the formula speed

to find the answer to the above question. Speed
Question Image

Hence the correct answer is option 2.

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