IMO Mathematics Olympiad (SOF) 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 
