B.
A certain distance is covered with a certain
speed. If half the distance is covered in double
time, then the ratio of this speed to original
speed is
(A) 1:4
(B) 4:1
(C) 2:1
CĐ) 1: 2
Answers
Answered by
2
Answer:
Let the original speed be S1 and time t1 and distance be D.
Now,
D22t1=S2S2=D4t1andS1=Dt1Thus,S1S2=41=4:1
option B
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