Question : The ratio of the speeds of Aman, Kamal, and Manan is $4:5:6$, respectively. What is the ratio of the time taken by Aman, Kamal, and Manan, respectively, to cover the same distance?

Option 1: $10:12:15$

Option 2: $6:5:4$

Option 3: $4:5:6$

Option 4: $15:12:10$


Team Careers360 13th Jan, 2024
Answer (1)
Team Careers360 15th Jan, 2024

Correct Answer: $15:12:10$


Solution : Required ratio = $(\frac{1}{4}):(\frac{1}{5}):(\frac{1}{6})$
= $(\frac{1}{4}×60):(\frac{1}{5}×60):(\frac{1}{6}×60)$ [Multiplying each fraction by LCM of (4, 5 and 6) i.e., 60]
= $15:12:10$
Hence, the correct answer is $15:12:10$.

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