Monday, 31 October 2016
Friday, 11 December 2015
Problems on Lift and Escalator -1
Question 1:
Santosh takes 40 seconds to walk up on an escalator which is moving upwards but he takes 60 seconds to walk up on an escalator which is moving downwards. How much time will he take to walk up if the escalator is not moving?
Ans :
Santosh takes 40 seconds to walk up on an escalator which is moving upwards but he takes 60 seconds to walk up on an escalator which is moving downwards. How much time will he take to walk up if the escalator is not moving?
Ans :
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