Twelve balls are identical in all ways except one has a different weight. Three weighings on a balance scale will not only identify the odd ball, but also tell whether it is heavier or lighter. How many balls must be put on each side of the scale in the first weighing, the second weighing, and the third weighing?
Riddle AnswerMath Riddles
Drive to the Store
You drive to the store at 20 mph and return by the same route at 30 mph. Discounting the time spent at the store, what was your average speed?
Riddle AnswerMonk Steps
A monk has a very specific ritual for climbing up the steps to the temple.
First he climbs up to the middle step and meditates for 1 minute. Then he climbs up 8 steps and faces east until he hears a bird singing. Then he walks down 12 steps and picks up a pebble. He takes one step up and tosses the pebble over his left shoulder. Now, he walks up the remaining steps three at a time which only takes him 9 paces.
How many steps are there?
Riddle AnswerDay of the Week
When the day after tomorrow becomes yesterday, the day which would then be today will be as far from Sunday as the day which is yesterday when it’s two days after that day’s tomorrow.
What day of the week was this spoken?
Riddle Answer50th Fastest and the 50th Slowest
Matt is the fiftieth fastest and the fiftieth slowest runner in his school. Assuming no two runners are the same speed, how many runners are in Matt’s school?
Riddle Answer