SSC CHSL Model Paper 16

Question : 66 of 100

Marks: +1, -0

The length of a rectangle is three-fifths of the side of a square. The radius of a circle is equal to a side of the square. The circumference of the circle is 132 cm. What is the area of the rectangle if the breadth of the rectangle is 8 cm?

112.4 sq cm
104.2 sq cm
100.8 sq cm
Cannot be determ ined

Validate

Solution:

Let radius of circle be r
Then,

2πr = 132

r = 21 cm
side of square = 21
length of rectangle =

3/5\of \ 21=63/5

breadth = 8
area

= l×b = 63/5×8=504/5

= 100 .8 sq cm

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