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Speed, Time and Distance:
Speed = 
Distance 
, Time = Distance , Distance = (Speed x Time). Time Speed
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km/hr to m/sec conversion:
x km/hr = x x 5 m/sec. 18
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m/sec to km/hr conversion:
x m/sec = x x 18 km/hr. 5
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If the ratio of the speeds of A and B is a : b, then the ratio of the
the times taken by then to cover the same distance is 1 : 1 or b : a. a b
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Suppose a man covers a certain distance at x km/hr and an equal distance at ykm/hr. Then,
the average speed during the whole journey is 2xy km/hr. x + y
Speed, Time and Distance:
| Speed = | | Distance | | , | Time = | | Distance | | , | Distance = (Speed x Time). |
| Time | Speed |
km/hr to m/sec conversion:
| x km/hr = | | x x | 5 | | m/sec. |
| 18 |
m/sec to km/hr conversion:
| x m/sec = | | x x | 18 | | km/hr. |
| 5 |
If the ratio of the speeds of A and B is a : b, then the ratio of the
| the times taken by then to cover the same distance is | 1 | : | 1 | or b : a. |
| a | b |
Suppose a man covers a certain distance at x km/hr and an equal distance at ykm/hr. Then,
| the average speed during the whole journey is | | 2xy | | km/hr. |
| x + y |
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