Question

A boy runs at a speed of $8$ m/s. How long does he take to cover a distance of $1$ km?

• A. $100$ sec
• B. $125$ sec
• C. $12.5$ hr
• D. None of these

Answer 1

The correct option is B $125$ sec

Distance $=1$ Km$=1000$ m

Speed $=8$ m/s

Time to cross 1 Km =$\frac{Distance}{time}=\frac{1000}{8}=125Sec$