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DE Shaw Interview Question about Puzzle

(6 posts)

1. 

   dufus
   guest
   Posted 1 year ago #
   
   

   A man bought two horses for Rs.924 each and sold one horse for 15% profit and the other for 15% loss.What is the net gain?

2. 

   guest
   guest
   Posted 10 months ago #
   
   

   A & B are two trains, travell from X & Y stations to Y & X stations after crossing each other A takes 4 hrs.48 mins. To reach Y
   station. B takes 3hrs.20 mins. to reach X station. The speed A is 45kmph. Speed of B is ?

3. 

   rajcools
   Member
   Posted 10 months ago #
   
   

   @dufus

   profit in 1st = 924*15 /100
   loss in 2nd = -924*15/100

   so net gain = 0

4. 

   shalu
   guest
   Posted 9 months ago #
   
   

   distance travelled by A=distance travelle by B
   now, speed*time=distance..

   so,(24/5*45)=(10/3*x) where x is the speed of train B
   thus find X..

   note: here 24/5 hours is 4 hours and 48 mins...
   here 10/3 hours is 3 hours and 20 mins..

5. 

   Rakesh
   Member
   Posted 7 months ago #
   
   

   Whenever two items having same price are sold, one at x% profit and other at x%loss then there is always loss and net loss is given by

   net loss = x*x/100 = 15*15/100=2.25

6. 

   lolol
   guest
   Posted 6 months ago #
   
   

   @shalu

   That's totally BS....

   note the time after crossing each other bro!

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