What is the value of the second row?
v | v | v | b | 11 |
b | F | b | N | ? |
N | F | F | N | 18 |
b | b | b | v | 9 |
8 | 21 | 15 | 7 |
This is a mathematical challenge, and it's been said, although it could be far from the truth, that:
* If you're an engineer, you should be able to solve it under three minutes;
* if you're an architect, in three hours;
* if you're a doctor, in six hours;
* if you're an accountant, in three months and
* if you're a lawyer, probably never.
What if you're a teacher ? Can u?
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