Roja and Pooja start moving in the opposite directions from a pole. They are moving at the speeds of 2 km/hr and 3 km/hr respectively. After 4 hours what will be the distance between them?	Choices.
A) 22 km B) 20 km C) 65 km D) 18 km E) 16 km
Distance = Relative Speed * Time   = (2 + 3) * 4= 
<gadget id="calculator">(2 + 3) * 4</gadget>
<output>20</output>
20 km   [ They are travelling in the opposite direction, relative speed= sum of the speeds].   Answer: 20 km
<result>B</result>
Roja and Pooja start moving in the opposite directions from a pole. They are moving at the speeds of 2 km/hr and 3 km/hr respectively. After 4 hours what will be the distance between them?