A long rope has to be cut to make 23 small pieces. If it is double folded to start with, how many times does it need to be cut?
A. 9
B. 11
C. 12
D. 23
Explanation: The rope is U shaped. So, the cut near the turn will cut off a piece of the rope and will leave two parallel strands of rope. To get 22 other pieces, 10 more cuts will be needed. Total number of cuts is 11.
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