Brain Teasers
Marathon Race
Takashi took part in a marathon race.
At half-time, he is 6th last. After that, he is overtaken by three more contestants, but then he struggled and overtook 10 in a row, getting himself the bronze prize (3rd place).
How many contestants were there in total?
At half-time, he is 6th last. After that, he is overtaken by three more contestants, but then he struggled and overtook 10 in a row, getting himself the bronze prize (3rd place).
How many contestants were there in total?
Hint
Try to work backwards.Answer
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Comments
my wrong approach yielded an answer of 13, if takashi was 6th last and was overtaken by 3 players, there would surely be 2 players behind him, the thing however is, I considered them as being already overtaken by takashi thus having a disparity of 2 with the answer, well atleast, I recognized my mistakes
my wrong approach yielded an answer of 13, if takashi was 6th last and was overtaken by 3 players, there would surely be 2 players behind him, the thing however is, I considered them as already being overtaken by takashi thus having a disparity of 2 with the answer, if only I analyzed the problem a little bit more
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