IMO Mathematics Olympiad Class 6: Questions 659  663 of 1049
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Question number: 659
Question
If perimeter of a rectangle is doubled, then area will be ________ of original area.
Choices
Choice (4)  Response  

a.  4 times 

b.  9 times 

c.  times 

d.  times 

Question number: 660
Question
The width of a rectangle is of its length. If its perimeter is 226 m, its area will be
Choices
Choice (4)  Response  

a.  2, 590 

b.  2, 680 

c.  3064.56 

d.  1, 060.54 

Question number: 661
Question
A rectangle is set outside a circle as shown. If the length of the rectangle is 8 cm, then the area of circle is
Choices
Choice (4)  Response  

a.  60 

b.  50.24 

c.  26 

d.  52.26 

Question number: 662
Question
An athlete takes 8 rounds of a rectangular park, 450 dm long and 700 dm wide. Then the total distance covered by him is
Choices
Choice (4)  Response  

a.  1750 m 

b.  1380 m 

c.  1840 m 

d.  1800 m 

Question number: 663
Question
60 employees of the same height stand with both hands stretched all along the sides of a rectangular office, each employee covering a length of 3.25 m. Then the perimeter of the office is
Choices
Choice (4)  Response  

a.  195 m 

b.  155 m 

c.  1950 m 

d.  19 m 
