What is the correct answer?


The Diagonals of two squares are in the ratio of 2:5. find the ratio of their areas.

A. 4:15

B. 4:25

C. 3:15

D. 3:25

Correct Answer :

B. 4:25

Let the diagonals of the squares be 2x and 5x.
Then ratio of their areas will be
                         Area of square=12 * Diagonal2                        12 * 2x2 : 12 * 5x2                     4x2 : 25x2 = 4 : 25

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