a) 2 : 3
b) 2 : 5
c) 3 : 2
d) 3 : 5
Answer: c
Explanation: When distance is constant then Speed is inversely proportional to time.
ST = D
When distance constant,
S ∝ $$\frac{1}{{\text{T}}}$$
Ratio of time taken by A and B = 3 : 2
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