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Quantitative Aptitude

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Mensuration

Question
13 out of 40
 

The area of square is three-fifth the area of rectangle. The length of the rectangle is 25 cm and its breadth is 10 cm less than its length. What will be the perimeter of square?



A 15 cm
B 30 cm
C 60 cm
D Cannot be determined
E None of these

Ans. C

Area of square = (3/5) x 25 x (25 – 10)

= (3/5) x 25 x 15 = 225

Side of square =

Perimeter = 15 x 4 = 60

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