A bike goes 8 meters in a second. Find its speed in km/hr.

Correct option is B

Given:

Speed = 48 meters/second

Formula Used:

Speed in km/h = Speed in m/s $$\times \frac{18}{5}$$​​

Solution:

Speed in km/h;

​$$=48 \times \frac{18}{5} = \frac{864}{5} = 172.8\, \text{km/hr}$$ km/h