## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 2 - Set Theory - 2.5 Survey Problems - Exercise Set 2.5: 24

#### Answer

The number of elements belongs exactly two sets = 6.

#### Work Step by Step

From the given Venn diagram, the regions II, IV, VI represents the number of elements belongs to exactly two sets. It's given from the Venn diagram that, The number of elements belongs to region II = 1 The number of elements belongs to region IV = 2 The number of elements belongs to region VI = 3 Therefore the number of elements belongs exactly two sets = 1 + 2 + 3 = 6.

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