A boy found that he had a 48 inch strip of paper. He could
cut an inch off every second.
How long would it take for him to cut 48 pieces? He can not
fold the strip and also, can not stack two or more strips
and cut them together.
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Answer / guest
47 seconds.
To get 48 pieces, the boy have to put only 47 cuts. i.e. he
can cut 46 pieces in 46 seconds. After getting 46 pieces, he
will have a 2 inches long piece. He can cut it into two with
just a one cut in 1 second. Hence, total of 47 seconds.
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