CURIOUS AND INTERESTING
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.