Blind man and two pills.

Here some puzzles frequently asked in interview .

puzzle:-   "" Blind Man and Two Pills (RED and BLUE Pills Puzzle)""

A blind man is alone on a deserted  island. he has two blue pills and two red pills kept in a container.

the pills are identical in size and shape.he must take exactly one red pill and one blue pill else for any other combination he will die. how will the blind man ensure that he takes exactly one red pill and one blue pill to survive?(try yourself without seeing answer its very easy )

 Answer:-

blind can achieve this by breaking the pills  in half. the man will put one half  in his mouth and keep the other half in the container. when he is done with all four pills he will have consumed one red pill and one blue pill finally he survived.

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puzzle:-  ""98% RED Fish Puzzle""

An aquarium has 200 fish 99% are red fish. how many red fish must be removed to make the percentage of red fish  is 98%

Answer:- total fish = 200

  there are 99% fish are red fish that equal to 198(99% in 200)

when 100 red fish are removed there will remain 98 fish (198-100=98)

and total fish count will be 100 (200-100=100)