Give the Numbers of Elements in the Region Marked I $| U | = 500 , | A | = 160 , | B | = 170 , | C | = 65 , | A \cap B | = 20$

question 15

Multiple Choice

Give the numbers of elements in the region marked I in the figure. $| U | = 500 , | A | = 160 , | B | = 170 , | C | = 65 , | A \cap B | = 20$ $$| A \cap C | = 55 , | B \cap C | = 20 , | A \cap B \cap C | = 20$$

• A) 150 elements
• B) 0 elements
• C) 160 elements
• D) 10 elements
• E) 105 elements

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