Question

If you cover 10 km in 2.5 minutes by car ,what is the speed of your car

Answer 1

Answer:

60 km/hr speed.

Step-by-step explanation:

Given :A car covers a distance of two km in 2.5 minute

To Find: If it covers half of the distance with speed 40 km/hr, the rest of the distance it will cover with what speed

Solution:

Total distance = 2 km

It covers half of the distance with speed 40 km/hr

This means it covers 1 km in 40 km/hr

$Time  = \frac{distance}{speed}speeddistance</p><p></p><p>Time  = \frac{1}{40}401  hours</p><p></p><p>Time  = \frac{1}{40} \times 60401×60  minutes</p><p></p><p>Time  = 1.51.5  minutes</p><p></p><p>Total time = 2.5 minutes</p><p></p><p>Time taken in covering half distance = 1.5</p><p></p><p>Time taken in covering remaining distance = 2.5 - 1.5 = 1 minute = \frac{1}{60} hour601hour</p><p></p><p>Speed for second half = \frac{1}{\frac{1}{60}}6011</p><p></p><p>                                   = 60 km/hr</p><p></p><p>$

Explanation:

Hence the rest of the distance it will cover with 60 km/hr speed.

Answer 2

Answer:

240 km / h

Explanation:

hope it is correct and helpful for u