Question

a train covers 1919/5 km in 19/4 hours.find its average speed

Answer 1

distance=1919/5km
time taken to cover the distance is 19/4
since, speed is equal to distance /time
=>average speed is equal to( 1919/19) ×5/4=
505/4=126.5

Answer 2

Given:

Distance = 1919/5 km

Time = 19/4 hours

Formula:

$\boxed {\text {Speed = Distance} \div \text {Time}}$

Find Speed:

Speed = 1919/5 ÷ 19/4 = 1919/5 x 4/19 = 80.8 km/hour

Answer: 80.8 km/hour