Girl with ribbon puzzle
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A girl found that she had a 56 cms strip of ribbon. She could cut a cm off every second. How long would it take for her to cut 56 pieces?
Note- She can not fold the strip and also, can not stack two or more strips and cut them together.
Best answer
Answer- 55 seconds
To get 56 pieces, the girl will have to put only 55 cuts. i.e. she can cut 56 pieces in 55 seconds. After getting 54 pieces, she will have a 2 cms long piece. She can cut it into two with just one cut in 1 second. Hence, a total of 55 seconds.
If the time starts with the first cut, then 54 seconds.
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