IBPS RRBs Officer Scale I Sep 2013 Paper

(4)
Area of rectangle = Area of circle
=

22

7

×21×21=1386 sq. cm.
Let the length and breadth ofrectangle be 14x and 11x cm respectively. Then,14x . 11x = 1386
⇒x2=

1386

14

×11=9
⇒x=√9 =3
⇒Perimeter of rectangle
= 2 (14x + 11x)
= 50x = 50 × 3 = 150cm