Question 211: The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?
tcs
wipro
infosys
general
aptitude
area
2(l+b)=5b12l+ 2b= 5b3b= 2lb=2l3Then, Area = 216 cm2lxb= 216lx2l= 2163l2= 324l= 18 cm.