Aptitude - Time and Distance - Discussion

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Q.

A person covers a distance in 40 minutes if it runs at a speed of 30km/hr on an average.The speed at which the car must run to reduce the time of journey to 55 minutes,will be                         
A. 23.89 km/hr B. 22.81 km/hr
C. 21.81 km/hr D. 23.12 km/hr

Answer: Option C
Explaination:

 


No Explanation




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