Question : The speeds of the three cars are in the ratio of 1 : 3 : 5. The ratio of the time taken by these cars to travel the same distance is:
Option 1: 3 : 5 : 15
Option 2: 15 : 3 : 5
Option 3: 15 : 5 : 3
Option 4: 5 : 3 : 15
Answer (1)
18th Jan, 2024
Correct Answer: 15 : 5 : 3
Solution :
We know,
Speed ∝ $\frac{1}{time}$
So, the ratio of time taken
= $1:\frac{1}{3}$ : $\frac{1}{5}$
= 15 : 5 : 3
Hence, the correct answer is 15 : 5 : 3.
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