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From statement I: Diagonal of the square = Diameter of the circular field Side of square = √6400 cm = 80 cm diagonal of square = √2 side = √2 × 80 = 80√2 cm So 80√2 = 2r So r = 80/√2 Hence Area of the circular field = πr2 = π×(80/√2)2 = π×6400/2= 3200π cm2 From statement II: Side of a square = √4900 = 70 cm = diameter of circle So 2r = 70 or r = 35cm Area of circular field = πr2 = π×352 = 1225π cm2 So answer can be determined by either of statement I or II.
2100, 2140, 2186, 2240, 2300, 2372
Find the wrong number in the given number series.
3, 8, 15, 24, 35, 50, 63
332, 404, 350, 390, 360, 380
18, 27, 38, 56, 66, 83
132, 130, 136, 126, 142, 110
-2, 0, 8, 32, 64, 66
896 2688 336 1008 124 378
3,10,27,4,16,64,5,25,125