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What is the cost of flooring a rectangular hall? I. The length and the breadth of the hall are in the ratio of 3 : 2. II. The length of the hall is 48 m and the cost of flooring is $850 per m 2. III. The perimeter of the hall is 160 m and the cost of flooring is $850 per m 2.

Only I and II
Only I and III
Only III
Only I and either II or III

Correct Answer:

Explanation:

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