World Round UpThese brain teasers rely on your ability to recognize groups of common attributes. For each of these puzzles you'll need to figure out why the words or letters are grouped as they are. Sometimes you will be asked to pick the odd-one-out or to place a new word into the correct group.
Work out the reasoning behind the numbers and give the correct number for Canada:
South Africa 7
HintThink about the flags.
AnswerCanada is 4, since there are four geometric shapes on its national flag: two red rectangles, a white rectangle and the maple leaf. So, for example, this explains why the U.S.A. is 64 (50 stars, the blue rectangle which holds the stars, and 13 stripes).
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