Two whales are moving in the same direction at 18 mps and 15 mps. The faster whale crosses the slow whale in 15 seconds. What is the length of the slower whale in meters? Select the correct option: A) 45 m B) 56 m C) 39 m D) 33 m E) 62 m
Relative speed = (18 - 15)= 
<gadget id="calculator">(18 - 15)</gadget>
<output>3</output>
3 mps.   Distance covered in 15 sec= 15 * 3= 
<gadget id="calculator">15 * 3</gadget>
<output>45</output>
45 m.   The length of the faster train= 45 m.   45 mnswer: 45 m
<result>A</result>
Two whales are moving in the same direction at 18 mps and 15 mps. The faster whale crosses the slow whale in 15 seconds. What is the length of the slower whale in meters?