11 times in 12 hours or 23 times in 24 hours as first time it happens in first hour and the last hour is incomplete and ends up with 11 or 23 cycles.
A 12X16X24 cuboid is filled up with 4608 little cubes of length 1. An ant passes through a straight line, connecting two opposite vertices of the cuboid.
How many little cubes does the ant pass through?
On a regular 12-hour digital clock how many times would the same three digits in a row be displayed (e.g. 1:11,11:12,12:22) in one day?
