Tuesday, February 13, 2007

"GEOMETRY QUESTION OF THE DAY"

A rectangle is 14 cm long and 10 cm wide. If the length is reduced by x cms and its width is increased also by x cms so as to make it a square then its area changes by :
  1. 4
  2. 144
  3. 12
  4. 2
  5. None of the above.
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3 comments:

Suma said...

a
14-x=10+x
x=2&area of rectangle is 140
144-14*10=4

February 13, 2007 at 8:00 PM
padmini said...

given len=14,breadth=10
len decreases by x,and length increases by x so it makes square means
perimeter of a rectangle=48 is same perimeter of a square =48
side of a square=12
area = 144
ans is b

February 14, 2007 at 1:53 AM
Anonymous said...

A

February 14, 2007 at 3:30 AM

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