Latest L&T Aptitude Question SOLUTION: Excluding the stoppages, the speed of a bus is 64 km/hr and including the stoppages the speed of the bus is 48km/hr. For how many minutes does the bus stop per hour? 1) 15 min 2)

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Excluding the stoppages, the speed of a bus is 64 km/hr and including the stoppages the speed of the bus is 48km/hr. For how many minutes does the bus stop per hour?
1) 15 min
2) 10 min
3) 12 min
4) 20 min
5) 18 min

Asked In L&T ABHINAV PUSHPAM (7 years ago)

Unsolved Read Solution (5)

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Read Solution (5) :

Soniha  (7 years ago)

1)15 min
Speed of the bus without stoppage=64 km/hr
Speed of the bus with stoppage=48km/hr
Difference in speed=16 km/hr

so,the time taken in the stoppages = time taken to cover 16 km=(16/64)hr = 1/4 hr =15 min

Is this solution Helpfull? Yes (18) | No (2)  

vibha patidar  (7 years ago)

1) 15 min

Is this solution Helpfull? Yes (3) | No   

pramod nimbalkar  (7 years ago)

simply take LCM of 64 and 48 which is 192 km .
To cover 192 km with speed of 64 km/hr it would require 3 hrs .
Then with speed of 48 km/hr it would require 4 hrs to complete 192 km.
As it require 1 hr ie.. 60 minutes more with speed of 48 km/hr.
Then divide 60/3=20 min per hr which is the answer clearly

Is this solution Helpfull? Yes (2) | No (11)  

shaily jain  (6 years ago)

time=difference in speeds/without stoppage speed
therefore,time=(64-48)/64
=1/4hrs
nothing but 15mins

Is this solution Helpfull? Yes (1) | No   

BHARAT KUMAR  (7 years ago)

Answer
(1) 15 min

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