Time & Distance

Unit Conversion – kmph ⇔ mps

Time and distance unit conversion

Time and distance unit conversion

 

Shortcut Formulas for Time and Distance

Rule 1: If some distance is travelled at x km/hr and the same distance is travelled at y km/hr then the average speed during the whole journey is given by

Time and distance shortcut methods

 

Rule 2: If a person travels a certain distance at x km/hr and returns at y km/hr, if the time taken to the whole journey is T hours then the one way distance is given by

Time and Distance Shortcuts

 

Rule 3: If two persons A and B start their journey at the same time from two points P and Q towards each other and after crossing each other they take a and b hours in reaching Q and P respectively, then

Time and Distance Shortcut Methods

 

Rule 4: If the same distance is covered at two different speeds S1 and S2 and the time taken to cover the distance are T1 and T2, then the distance is given by

Time and Distance Shortcut Methods