IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 244  248 of 929
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Question number: 244
» Lines, Angles and Quadrilaterals
Question
In the figure, and, then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 245
Question
A rectangular field has its length and breadth in the ratio. Its area is 3.75 hectares. The cost of fencing it at Rs. 5 per meter is ________
Choices
Choice (4)  Response  

a.  Rs. 1000 

b.  Rs. 400 

c.  Rs. 500 

d.  Rs. 4000 

Question number: 246
Question
On plotting the points A (3,3), B (9,3), C (12,10), D (5,10) and joining AB, BC, CD, DA Which of the following figure is obtained?
Choices
Choice (4)  Response  

a.  Hexagon 

b.  Triangle 

c.  Cross 

d.  Parallelogram 

Question number: 247
Question
The and are right angles. If, and, then the length of QR and QS respectively is ________
Choices
Choice (4)  Response  

a.  15 cm, 16 cm 

b.  25 cm, 12 cm 

c.  15 cm, 12 cm 

d.  16 cm, 15 cm 

Question number: 248
Question
If the altitude of an equilateral triangle is , its area is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

