There are eight companies $C1, C2, C3, C4, C5, C6, C7$ and $C8$ in the market that manufacture furniture.
The furniture manufactured by these companies is sold in one or more than one of the five regions namely $R1, R2, R3, R4$ and $R5.$
Two companies are said to be ‘Competitors’ if there is at least one region where both the companies sell their furniture.
The following bar- graph provides information about the number of competitors seven of these eight companies have.
Assume that these are the only eight companies that sell furniture in the mentioned regions.
Common Information Question: 4/4
The number of regions in which the company $C1$ sold furniture is at most:
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