Arithmetic Aptitudes › Area › Question #5333
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QThe diagonals of two squares have a 3:7 ratio. Determine their area ratio.

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  • A 3 : 17 ✔ ✖
  • B 9 : 49 ✔ ✖
  • C 24 : 35 ✔ ✖
  • D 8 : 23 ✔ ✖
Correct Answer: Option B

Explanation


Let the diagonals of the squares be 3X and 7X respectively.
Ratio of their areas = (1/2)*(3X)2 :( 1/2)*(7X)2 = 9X2: 49X2 = 9: 49.
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