A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.600 for paving at 50 p per m2; find the length of the diagonal of the courtyard?
Answer with explanationAnswer: Option D
1 m2 —- 1/2
? —– 600 => 1200 m2
4x * 3x = 1200 => x = 10
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