Let $W =$ Surfers Wearing Wet Suits $\}$ , With $| W | = 6$

Let $W =$ surfers wearing wet suits $\}$ , with $| W | = 6$
$H =$ surfers with blonde hair $\}$ , with $| H | = 12$
$B = \{$ surfers who ride long boards $\}$ , with $| B | = 3$
Also, let $| \boldsymbol { W } \cap \boldsymbol { H } | = \mathbf { 4 } , | \boldsymbol { W } \cap \boldsymbol { B } | = \mathbf { 1 } , | \boldsymbol { H } \cap \boldsymbol { B } | = 2$ , and $| \boldsymbol { W } \cup \boldsymbol { H } \cup \boldsymbol { B } | = 15$ .
-How many surfers either wear a wet suit, have blonde hair, or ride a long board?

A) 1
B) 15
C) 4
D) 14
E) None of these

Correct Answer:

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