Pankaj Varma

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About Pankaj Varma

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  1. Find the Fake

  2. Yellow,Green,Red,Blue

    The suggested solution assumes that their are equal number of each color slip and the each person, when he enters can see every other forehead and count the color papers glued there. We need a more innovative solution, I guess.
  3. piece of cake

    Does not say about the shape of the cake. A properly designed Y shaped cake could be cut into 3 equal portions with just one straight cut
  4. No need to answer

  5. only allowed 1

    (1+1)^((1+1)^(1+1+1)-1)+(1+1+1)^(1+1) does it in 13 ones.