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Numerical Ability
A super fast bus of KSRTC starting from 'Trivandrum' and reaches 'Attingal' in 45 minutes with an average speed of 40 km/hr. If the speed is increased by 10 km/hr how much time it will take to cover the same distance?

(a) 34 minutes (b) 36 minutes (c) 38 minutes (d) 40 minutes




  
Total Answers and Comments: 1 Last Update: August 13, 2009     Asked by: devisree2112 
  
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August 13, 2009 10:11:09   #1  
sarabjit Member Since: August 2009   Contribution: 14    

RE: Numerical Ability
b) 36 min

d s*t

s 40 km/hr 40/60km/min
t 45min

d (4/6)*45 30km

now increased speed 50 km/hr 50/60 km/min
d 30 km
t d/s
36 min

 
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 Related Questions

A super fast bus of KSRTC starting from 'Trivandrum' and reaches 'Attingal' in 45 minutes with an average speed of 40 km/hr. If the speed is increased by 10 km/hr how much time it will 
Latest Answer : b) 36 mind=s*ts=40 km/hr=40/60km/mint=45mind=(4/6)*45=30kmnow increased speed= 50 km/hr=50/60 km/mind=30 kmt=d/s = 36 min ...


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