Imagine a digital clock like the one shown below. How many times will the clock display three or more of the same number in a row over the course of one day? The clock in this puzzle displays time on a 12-hour scale.
34 times. It's easy enough to spot times like 1:11 or 2:22, but many people forget about combinations like 10:00 or 11:12.
I add six to eleven, and get five. Why is this correct?
When it is 11 a.m., adding six hours makes it 5 p.m.
Old Granny Adams left half her money to her granddaughter and half that amount to her grandson. She left a sixth to her brother, and the remainder, $1,000, to the dogs’ home. How much did she leave altogether?
Think about it as 6/12, 3/12, 2/12, which equals 11/12. If the remainder is $1,000, that must be one-twelfth, so the total is $12,000.