See the first problem and ans it correctly
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See the first problem and ans it correctly
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30 min = 1/2 hour
Distance = speed × time = 17 ×1/2 =8.5 km
Train covers in 180min =51 km
Train cover in 1 min = 51/180
Train covers in 30 min = 51/180×30 = 8.5 km
Then
Speed = d/t = 51km/3hour= 13.66km/hour