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Vincen
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A straight highway connects two cities \(P\) and \(Q,\) and goes via two checkpoints \(M\) and \(N,\) in that order. A bus started from \(P\) and moved to \(M\) at an average speed of \(30\) mph. After crossing \(M,\) it increased its speed to \(50\) mph and moved towards \(N.\) When it reached \(N,\) it further increased its speed to \(60\) mph and continued to move at this speed till it reached \(Q.\) What is the average speed of the bus throughout the whole journey?
Statement 1: The ratio of time the bus took to cover the distances \(PM, MN,\) and \(NQ\) respectively is \(2:1:3.\)
Statement 2: Out of the three distances, \(NQ\) is 3 times the distance \(PM\) and more than 3 times the distance \(MN.\)
[spoiler]OA=A[/spoiler]
Source: e-GMAT
Statement 1: The ratio of time the bus took to cover the distances \(PM, MN,\) and \(NQ\) respectively is \(2:1:3.\)
Statement 2: Out of the three distances, \(NQ\) is 3 times the distance \(PM\) and more than 3 times the distance \(MN.\)
[spoiler]OA=A[/spoiler]
Source: e-GMAT
