A rectangular courtyard, the sides of which are in the ratio of 4:3, cost Rs.60

Question

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?

Options:

A . 25 m

B . 35 m

C . 45 m

D . 50 m

Answer: Option D

1 m² ---- 1/2

? ----- 600 => 1200 m²

4x * 3x = 1200 => x = 10

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