Raju reaches haldwani from new Delhi in 7 1/2 hrs by his car if average speed of car is 36 km/hr.what is distance between haldwani and delhi?
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et say Distance Traveled = 4D km
& Time Taken = 3T hr
Speed = Distance / time = 80
=> 4D/3T = 80
=> D = 60T
first 75% of the distance = (75/100)4D = 3D km
two third of the time = (2/3)3T = 2T
Speed = 3D/2T = 3 * 60T /2T = 90 km/hr
Remaining Distance = 3D - 2D = D km
Remaining time = 3T - 2T = T hr
Speed = x = D/T => 60T/T = 60
value of x = 60 km/hr
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