Thursday 23 July 2015

Junior : Safe Paths

SAFE PATHS


Question 7:
On your way to IIT Guwahati, you and your friends have to cross Aleppo. There are some safe one-way paths such that you can move only in east or south direction. Below is the map of those safe paths. You start at ‘H’ and need to reach ‘O’. The arrows show the direction you must follow on the way.



Find the number of di fferent routes that you can take to cross the desert.
(A) 440
(B) 86400
(C) 75
(D) 42
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5 comments:

  1. Unknown23 July 2015 at 14:58

    The answer os
    7) C
    Kindly check and reply

    ReplyDelete
  2. Unknown24 July 2015 at 08:14

    please give the solution not the answer

    ReplyDelete
  3. Unknown25 July 2015 at 22:38

    As only 2 directions are possible the answer be by permutations and combinations somewhat like 2*1*1*2*2*2*...
    That means a power of 2 but as there is no suck option,the question should be a bonus.

    ReplyDelete
  4. tarush11 August 2015 at 20:48

    " technothlon " i am quite sure that 75 is the wrong answer. i think its 111.

    ReplyDelete
  5. tarush11 August 2015 at 21:07

    I have the picture of the solution. Can i send it to u somehow?

    ReplyDelete

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