Q.70% of Bumthaps speak Sharchop and 60% speak Khengkha. What is the minimum
percentage of Khengkha-speaking Bumthaps that also speak Sharchop?
Solution Steps:
Use the formula: Min overlap = (A% + B%) -
100%
Min % = (70 + 60) - 100 = 30%
Tip:
✔ When dealing with overlaps, use Venn Diagram
principles.
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