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Here are some handy tips for solving time and distance questions in quantitative aptitude:
The basic formula for time, speed, and distance (TSD) is: Distance: Distance = Speed x Time Average speed: Average speed = Total Distance / Total Time Relative speed: When objects are moving in the same direction, subtract the slower object's speed from the faster one Average speed when a person covers a distance at one speed and returns at another speed: Average speed = 2ab / (a + b), where 'a' and 'b' represent the two speeds involved
Other useful time/distance formulas include: Speed = Distance/Time Time = Distance/Speed 1 km/hr = 5/18 m/sec 1 m/sec = 18/5 km/hr
Related Test: Quantitative Aptitude Practice Test: Time and Work
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