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A car covers a distance of 2 km in 2.5 minutes. If it covers half of the distance with speed 40 km/hr, the rest distance it shall cover with a speed of:

  • a)
    56 km/hr

  • b)
    60 km/hr

  • c)
    48 km/hr

  • d)
    50 km/hr

Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A car covers a distance of2 km in2.5minutes. If it covers half of the ...
Given that,
Time t =2.5 min
⁡Distance d=2km
Now, firstly for half distance

Now, total time is
t = 150 - 90
t = 60s
Now, the speed is

Hence, the speed is 60 km/h
Community Answer
A car covers a distance of2 km in2.5minutes. If it covers half of the ...
Given:
- Distance covered by the car = 2 km
- Time taken to cover the distance = 2.5 minutes

To Find:
- The speed at which the car covers the remaining distance

Solution:
To find the speed at which the car covers the remaining distance, we need to first calculate the time taken to cover half of the distance and then subtract it from the total time.

Step 1: Calculate the time taken to cover half of the distance.
Given that the car covers half of the distance (1 km) at a speed of 40 km/hr, we can use the formula:
Time = Distance/Speed

Time taken to cover half of the distance = 1 km / 40 km/hr

Step 2: Subtract the time taken to cover half of the distance from the total time.
Total time taken = 2.5 minutes = 2.5/60 hours

Time taken to cover the remaining distance = Total time taken - Time taken to cover half of the distance

Step 3: Calculate the speed at which the remaining distance is covered.
To find the speed, we can use the formula:
Speed = Distance/Time

Distance = Remaining distance = 1 km

Speed = 1 km / Time taken to cover the remaining distance

Step 4: Convert the speed from km/hr to km/minute.
To do this, we need to multiply the speed by 60.

Speed = Speed x 60

Step 5: Compare the calculated speed with the given options.

The correct answer is option 'B' (60 km/hr) as it matches the calculated speed.

Conclusion:
The car shall cover the remaining distance with a speed of 60 km/hr.
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A car covers a distance of2 km in2.5minutes. If it covers half of the distance with speed40 km/hr, the rest distance it shall cover with a speed of:a)56 km/hrb)60 km/hrc)48 km/hrd)50 km/hrCorrect answer is option 'B'. Can you explain this answer?
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