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A person travelled from station A to station B at 40 km/h and from to A at 30 km/h.The entire journey took 6.3 hours. What is the distance (in km) between A and B? |
117 108 91 99 |
108 |
Let required distance = D km According to question , \(\frac{D}{40}\) + \(\frac{D}{30}\) = 6.3 \(\frac{7D}{120}\) = 6.3 D = 108 km So , required distance is 108 km |
