In a survey of political preference, 78% of these asked were in favour of at least one of the proposals: 1, 2 and 3. 50% of those asked favoured proposal 1, 30% favoured proposal 2, and 20% proposal 3. If 5% of those asked favored all three proposals, what percentage of those asked favored more than one of the three proposals?

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Solution

The correct option is C 17
Option C is the correct answer. Check the video for the approach.

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