Perplexing Puzzles, Confounding Conundrums,
and Esoteric Enigmas
Puzzles: |
Two railway stations, P and Q, are 279 miles apart. A train departs from P at 2:00pm and travels at a constant speed of 51 mph towards Q. At 3:00 pm a second train begins a journey from Q towards P at a constant speed of 60 mph. How far apart are the two trains twenty minutes before they pass each other?
The table below should contain all the numbers less than one-hundred with the same special property. However, one of the numbers in the table does not belong there.
17 | 50 | 2 |
65 | 24 | 10 |
37 | 82 | 5 |
What is the missing number that should replace it?
A pair of cogs contain 34 and 22 teeth respectively.
The left hand wheel begins turning in a clockwise direction.
How many full rotations must the left hand wheel make so that the arrows on both cogs are pointing upwards again?
Puzzles: |