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in Direct and Inverse Proportion by (26.4k points)
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A birthday party is arranged in third floor of a hotel. 120 people take 8 trips in a lift to go to the party hall. If 12 trips were made how many people would have attended the party?

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by (26.1k points)
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Best answer

Let the number of people attended the party be x.

Number of people 120 x
Number of trips 8 12

As the number of trips increases, number of people also increases. 

∴ They are in direct proportion.

180 people attend the party in 12 trips

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