Question

In what time can sonali cover a distance of 400 m, if she runs at a speed 20 km/hr

Answer 1

Answer:

72 seconds if answer is in minutes then convert to minutes.

Step-by-step explanation:

Given that; distance is 400m and speed is 20*5/18=50/9

Now T=S/V

So;T=400*9/50=72seconds

Answer 2

Sonali can cover 400 m in 0.02 hour at a speed of 20 km/hr.

Step-by-step explanation:

Total distance = 400 m

1 km = 1000 m

400 m =$\frac{400}{1000}=0.4 km$

Speed of Sonali = 20 km/hr

$Time = \frac{Distance}{Speed}$

$Time = \frac{0.4}{20}$

Time = 0.02 hour

Hence Sonali can cover 400 m in 0.02 hour at a speed of 20 km/hr.

#Learn more:

A man rides at a speed of 72 km hr . He covers of a ditance 80m in

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