Book Maths Puzzle Time Distance and Speed

A bicyclist and a hiker leave the same place at the same time and travel in the same direction. The bicyclist travels three times as fast as the hiker. At the end of 3hr they are

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Book Other Question

Two cars A and B are 80 km apart. If they travel towards each other, they will meet in 1 hour. If they travel in the same direction, car A will catch up with car B in 4 hours A lever 12 m long balances weights of 48kg on one end and 24kg on the other end. Find the lengths of the two arms of the lever.