Time and Distance formulas

#	📌 Category	📝 Formula / Rule
1	⏱️ Basic Formulas	$\text{Speed} = \dfrac{\text{Distance}}{\text{Time}}$ $\text{Time} = \dfrac{\text{Distance}}{\text{Speed}}$ $\text{Distance} = \text{Speed} \times \text{Time}$
2	🔄 km/hr → m/sec Conversion	$x \text{ km/hr} = x \times \dfrac{5}{18} \text{ m/sec}$
3	🔄 m/sec → km/hr Conversion	$x \text{ m/sec} = x \times \dfrac{18}{5} \text{ km/hr}$
4	⚖️ Speed and Time Ratio	If the ratio of the speeds of A and B is a:b, then the ratio of the times taken by them to cover the same distance is 1/a : 1/b or b:a
5	📊 Average Speed (Equal Distances)	If a man covers a certain distance at x km/hr and an equal distance at y km/hr, then: $\text{Average speed} = \dfrac{2xy}{x + y} \text{ km/hr}$

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