A) 2 : 5 |
B) 3 : 5 |
C) 3 : 8 |
D) 7 : 2 |
D) 7 : 2 |
Speed is inversely proportional to time,
Given that (speed of A): (Speed of B ) = 2 : 7
(Time taken by A):( Time taken by B)
= \( \Large \frac{1}{2} : \frac{1}{7} = 7 : 2\)