Roja and Pooja start moving in the opposite directions from a pole. They are moving at the speeds of 5 km/hr and 3 km/hr respectively. After 4 hours what will be the distance between them?  Options
A) 32 km
B) 20 km
C) 65 km
D) 18 km
E) 16 km
Distance = Relative Speed * Time   = (5 + 3) * 4= 
<gadget id="calculator">(5 + 3) * 4</gadget>
<output>32</output>
32 km   [ They are travelling in the opposite direction, relative speed= sum of the speeds].   32 kmnswer: 32 km
<result>A</result>
Roja and Pooja start moving in the opposite directions from a pole. They are moving at the speeds of 5 km/hr and 3 km/hr respectively. After 4 hours what will be the distance between them?