A dog takes 2 leaps for every 3 leaps of a hare. If one leap of the dog is equal to 5 leaps of the hare, the ratio of the speed of the dog to that of the hare is :  Choose the most appropriate option.
A) 9 : 3
B) 3 : 10
C) 2 : 3
D) 6 : 3
E) 10 : 3
10 : 3xplanation:   Dog : Hare = (2*5) leaps of hare : 3 leaps of hare = 10 : 3   Answer: 10 : 3
<result>E</result>
A dog takes 2 leaps for every 3 leaps of a hare. If one leap of the dog is equal to 5 leaps of the hare, the ratio of the speed of the dog to that of the hare is :