Time and Distance - Arithmetic Aptitude Questions and Answers

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A person crosses a 600 m long street in 5 minutes. What is his speed in km per hour?

3.6

7.2

8.4

Answer : Option B

Explanation :

Speed = $[\frac {600} {5*60 } ]m/sec$

=2 m/sec

Converting m/sec to km/hr

= $[2*\frac { 18 } { 5 } ]$ km/hr

=7.2 km/hr

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