What is the cost of painting the two adjacent walls of a rectangular hall which has no windows or doors?

I. The area of the base of the hall is 24 sqmetres.

II. The breadth, length and the height of the hall are in the ratio of 4 : 6 : 5.

III. Area of one wall is 30 square metres.

1:

Only I

2:

Only II

3:

Only III

4:

Either I or III

5:

Data inadequate

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