Each single strand of the beta-sheet structure can be pictured as a twofold helix, that is, a helix with

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#Question id: 12854

#General Aptitude

If the ratio of areas of two squares is 225 : 256, then the ratio of their perimeter is :

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#Question id: 12855

#General Aptitude

The perimeter of two squares are 40 cm and 24 cm. The perimeter of a third square , whose area is equal to the difference of the area of these squares, is

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#Question id: 12856

#General Aptitude

The length and breadth of a rectangular field are in the ratio of 3 : 2. If the perimeter of the field is 80m, its breadth (in metres) is :

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#Question id: 12857

#General Aptitude

The sides of a rectangular plot are in the ratio 5:4 and its area is equal to 500 sq.m. The perimeter of the plot is :

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#Question id: 12858

#General Aptitude

The area of an equilateral triangle is 400√3 sq.m. Its perimeter is :

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#Question id: 12859

#General Aptitude

From a point in the interior of an equilateral triangle, the perpendicular distance of the sides are √3 cm, 2√ 3 cm and 5√ 3 cm. The perimeter (in cm) of the triangle is