The length of a room is double its breadth. The cost of colouring the ceiling at

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The length of a room is double its breadth. The cost of colouring the ceiling at Rs. 25 per sq. meter is Rs. 5000 and the cost of painting the four walls at Rs. 240 per sq. metre is Rs. 64800. Find the height of the room :

Options:

A . 3.5 m

B . 4 m

C . 4.5 m

D . 5 m

Answer: Option C

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