_ A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of the two speed is :$?

_ A certain distance is covered at a certain speed. If half of this di

1.	_ A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of the two speed is :$?
A.	1:16
B.	4:1
C.	2:1
D.	1:4
Answer» C. 2:1

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