A bike goes 23 meters in a second. Find its speed in km/hr.

Correct option is B

Given:

Speed of bike = 23 m/s

We need speed in km/h.

Formula Used:

1$$\, \text{m/s} = \frac{18}{5} \, \text{km/h}$$​

Solution:

​$$23 \times \frac{18}{5} = \frac{414}{5} = 82.8 \, \text{km/h}$$​