The Sunday Telegraph - Sunday - - Front Page -

A SE­RIES OF MATHS-BASED PUZ­ZLES BY DAVID WELLS 1. Chop­sticks A fire­wood mer­chant had a num­ber of blocks to chop up for fire­wood. He chopped each block into eleven sticks. As­sum­ing that he chopped at the aver­age rate of 45 strokes per minute, how many blocks could he chop up in 22 min­utes? An­swer at the end of Puz­zles.

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