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Arithmetic Ability
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Q.
A bus covers its journey at the speed of 80km/hr in 10hours. If the same distance is to be covered in 4 hours, by how much the speed of bus will have to increase ?
A.
85 km/hr
B.
95 km/hr
C.
105 km/hr
D.
120 km/hr
View Answer
Correct choice: D
Explanation:
Initial speed = 80km/hr Total distance = 80 x 10 = 800km New speed = 800/4 =200km/hr Increase in speed = 200 - 80 = 120km/hr
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