Question : A is twice as fast as B and B is thrice as fast as C is. The journey covered by C in $1\frac{1}{2}$ hours will be covered by A in:
Option 1: 15 minutes
Option 2: 20 minutes
Option 3: 30 minutes
Option 4: 1 hour

Question

Question : A is twice as fast as B and B is thrice as fast as C is. The journey covered by C in $1\frac{1}{2}$ hours will be covered by A in:

Option 1: 15 minutes

Option 2: 20 minutes

Option 3: 30 minutes

Option 4: 1 hour

Team Careers360 · Accepted Answer

Correct Answer: 15 minutes

Solution : Given: That A is twice as fast as B and B is thrice as fast as C, it means that A is six times (2 × 3) as fast as C.
$ ext{Time}=\frac{ ext{Distance}}{{ ext{Speed}}}$
If C covers a journey in $1\frac{1}{2}$ hours or $\frac{3}{2}$ hours, then A, being six times faster, will cover the same journey in $\frac{3}{2 × 6} = \frac{1}{4}$ hours.
So, A will cover the journey in $\frac{1}{4}$ hours or $\frac{1}{4}$ × 60 minutes = 15 minutes.
Hence, the correct answer is 15 minutes.

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Question : A is twice as fast as B and B is thrice as fast as C is. The journey covered by C in $1\frac{1}{2}$ hours will be covered by A in:
Option 1: 15 minutes
Option 2: 20 minutes
Option 3: 30 minutes
Option 4: 1 hour

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Question : A is twice as fast as B and B is thrice as fast as C is. The journey covered by C in $1\frac{1}{2}$ hours will be covered by A in:Option 1: 15 minutesOption 2: 20 minutesOption 3: 30 minutesOption 4: 1 hour

Related Questions

Question : A journey takes 4 hours 30 minutes at a speed of 60 km/h. If the speed is 15 m/s, then the journey will take:Option 1: 5 hoursOption 2: 5 hours 30 minutesOption 3: 6 hoursOption 4: 6 hours 15 minutes

Question : If $[4-\frac{5}{1+\frac{1}{3+\frac{1}{2+\frac{1}{4}}}}]$ part of a journey takes 10 minutes, then to complete $\frac{3}{5}$ th of a journey, it will take:Option 1: 40 minutesOption 2: 45 minutesOption 3: 48 minutesOption 4: 50 minutes

Question : O, T, and P can do a piece of work in 3, 4, and 6 hours respectively. If they are working together, then in how much time they will finish the work?Option 1: 1 hourOption 2: 1 hour 10 minutesOption 3: 1 hour 20 minutesOption 4: 1 hour 15 minutes

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Question : Indian Standard Time (IST) is ahead of Greenwich Mean Time (GMT) by_______.Option 1: 3 hours 45 minutesOption 2: 7 hours 15 minutesOption 3: 2 hoursOption 4: 5 hours 30 minutes