A train of length 100m is moving at a speed of 50km/h. A horse is running alongside the train at a speed of 56km/h. How long will it take the horse to overtake the train?

Question

anonymous · Answer

distance = 100 m = 100/1000 = 0.1 km 
speed of train = 50 km/hr 
speed of horse = 56 km/hr 
resultant speed = (56 – 50) 6 km/hr 
time = distance/speed 
time = 0.1/6 = 1/60 hr = 1 min 

distance = speed × time 
time = 1 hr = 3600 s. 
= 300000 × 3600 = 1080000000 
= 1.08 × 10^9 km 
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solomonzelman · Answer

no, the train is not moving and horse is going 6km/h.

solomonzelman · Answer

$$\frac{6km}{60\min}=\frac{100m}{x}$$

solomonzelman · Answer

$$---> \frac{1km}{10}=\frac{.1km}{x}$$
srocc multiply to solve for x.

solomonzelman · Answer

cross multiply, my bad,.

anonymous · Answer

thank you !

solomonzelman · Answer

Anytime!$$(•_‿•)$$