Arithmetic Aptitudes › Time and Distance › Question #4712
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QThe speed difference between a bus and a vehicle is 8:6. Determine the speed of the bus if the automobile goes 200 km in 2 hours.

ID: #4712 Time and Distance 201 views
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  • A 131.3 km/hr ✔ ✖
  • B 133.3 km/hr ✔ ✖
  • C 135.3 km/hr ✔ ✖
  • D 137.3 km/hr ✔ ✖
Correct Answer: Option B

Explanation


Let X be the speed of the bus and car in some units. 

We are given that the speed of the car is 200/2 km/hr 

= 100 km/hr. 

We can use this information to solve for X:

6X = 100 km/hr

X = 100 km/hr / 6 = (50)/3 km/hr

The speed of the bus is 8X = 8 * (50)/3 km/hr 

= 400/3 km/hr 

= 133.33333333333334 km/hr.
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