A challenging brainteaser tests critical thinking with a math problem of finding the missing value: 3 - 3 x 6 + 2 = ?.

This quiz measures how happy you are when you’re on the clock. It’s based on research that has identified key factors to happiness at work. For the first 20 items below, please select the response ...

A clock with hands (an analogue clock) shows us the numbers 1-12. There are 24 hours in one day, so we measure time by splitting the day into two halves. The first 12 hours of the day, from ...