Add up all odd numbers between 1 and 7 (inclusive).
Great, you answered "22".
See here what other people have answered:
- 16
- 13
- 22
- 12
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Interesting fact:
Did you know that men’s brains are 10% bigger than women’s? But before you jump to any conclusions, IQ tests have shown that male and female intelligence is equal. In fact, Albert Einstein’s brain was 10% smaller than the average for a man!