A person travels from a place x to y by car at a speed of 32 km/h. Before reaching y, he returns to x from a place z, lying between x and y, at 72 km/h. If the time taken by him for the whole journey is \(6\frac{1}{2}\) hours, then the distance between z and x is∶

A person travels from a place x to y by car at a speed of 32 km/h. Bef

1.	A person travels from a place x to y by car at a speed of 32 km/h. Before reaching y, he returns to x from a place z, lying between x and y, at 72 km/h. If the time taken by him for the whole journey is \(6\frac{1}{2}\) hours, then the distance between z and x is∶
A.	108 km
B.	144 km
C.	180 km
D.	216 km
Answer» C. 180 km

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A person travels from a place x to y by car at a speed of 32 km/h. Before reaching y, he returns to x from a place z, lying between x and y, at 72 km/h. If the time taken by him for the whole journey is \(6\frac{1}{2}\) hours, then the distance between z and x is∶

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