Mathematics
NULL
Medium
Question
A rectangular courtyard has sides in the ratio 4 : 3 and costs Rs. 600 to pave at 50 p per m². Find the length of its diagonal.
A
25 m
B
35 m
C
45 m
D
50 m
✓ Official correct answer
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A
25 m
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B
35 m
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C
45 m
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D
50 m
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Explanation
Area = 600 / 0.50 = 1200 m². Sides 40 m and 30 m. Diagonal = 50 m.