A man travels 450 km partly by train and partly by car he takes 8 hr 40 min if he travels 240 km by train and rest by car he takes 20 min more if he takes 180 km by train and rest by car what is the speed of car
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Train Car
240 210 = 8 h 40 min.
180 270 = 9 h
To travel extra 60 km by car increase in time = 20 min
So, travel extra 240 km by car increase in time = 80 min
∴∴450 km by car in=8h40min+80min8h40min+80min = 10 h
Speed of car =4501045010 = 45km/h
240 210 = 8 h 40 min.
180 270 = 9 h
To travel extra 60 km by car increase in time = 20 min
So, travel extra 240 km by car increase in time = 80 min
∴∴450 km by car in=8h40min+80min8h40min+80min = 10 h
Speed of car =4501045010 = 45km/h
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