If two girls starting from same point, walking in the opposite directions with 5km/hr and 10km/hr as average speeds respectively. Then the distance between them after 5 hours is?
Choose the correct answer:
A) 45 B) 55 C) 65 D) 75 E) 85
Explanation:   Total distance = 75istance traveled by person A+ 75istance traveled by person B   = (5Ã— 5) + (10Ã— 5)   = 25+ 50= 
<gadget id="calculator">25+ 50</gadget>
<output>75</output>
75 Km   Answer:75
<result>D</result>
If two girls starting from same point, walking in the opposite directions with 5km/hr and 10km/hr as average speeds respectively. Then the distance between them after 5 hours is?