The area of a rectangle is thrice tha...

The area of a rectangle is thrice that of a square. If the length of the rectangle is 40cm and its breadth is `3/2` times that of the side of the square, then the side of the square is (a) 15cm (b) 20cm (c) 30cm (d) 60cm

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The area of a rectangle is thrice that of a square.If the length of the rectangle is 40cm and its breadth is (3)/(2) xx that of the side of the square,then the side of the square is (a) 15cm(b)20cm(c)30cm(d)60cm^(2)

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