IMO Mathematics Olympiad (SOF) Class 6: Questions 642  648 of 1049
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Question number: 642
Question
The length of a rectangle is of its breadth. If its area is 72 , its perimeter will be
Choices
Choice (4)  Response  

a.  12 m 

b.  24 m 

c.  56 m 

d.  36 m 

Question number: 643
Question
Which of the following is true?
(i) A sector is the region in the interior of a circle enclosed by an arc on one side and a pair of radii on the other two sides.
(ii) A segment of a circle, is region in the interior of the circle enclosed by an arc and a chord.
Choices
Choice (4)  Response  

a.  (i) & (ii) 

b.  Only (i) 

c.  Neither (i) nor (ii) 

d.  Only (ii) 

Question number: 644
Question
The number of tiles that are required to fill an area of 125 m by 215 m if each tile is of 5 cm by 25 cm, is
Choices
Choice (4)  Response  

a.  230 

b.  185 

c.  215 

d.  325 

Question number: 645
Question
A student is making some cards for a project from a thick sheet of 112 cm by 198 cm if each card requires a piece of sheet of size 8 cm by 6 cm, is
Choices
Choice (4)  Response  

a.  397 

b.  414 

c.  264 

d.  462 

Question number: 646
Question
Number of arcs made by a chord on a circle is ________.
Choices
Choice (4)  Response  

a.  1 

b.  3 

c.  2 

d.  4 

Question number: 647
Question
A runner takes 3 rounds of a squared park of 300 dm. Then the total distance covered by him is
Choices
Choice (4)  Response  

a.  720 m 

b.  125 m 

c.  360 m 

d.  250 m 

Question number: 648
Question
Perimeter of a triangle is the sum of the lengths of all the ________ sides.
Choices
Choice (4)  Response  

a.  2 

b.  4 

c.  6 

d.  3 
