IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 450  455 of 929
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Question number: 450
Question
If the point (5,7) lies on the graph of the equation, find the value of a.
Choices
Choice (4)  Response  

a.  7 

b.  8 

c.  9 

d.  6 

Question number: 451
Question
A rectangular field has its length and breadth in the ratio. Its area is 0.9 hectares. The cost of fencing it at RS. 10 per meter is ________
Choices
Choice (4)  Response  

a.  Rs. 5200 

b.  Rs. 6200 

c.  Rs. 4200 

d.  Rs. 7400 

Question number: 452
Question
In the figure , and . Then x equals ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 453
Question
If AD, BE and CF are the medians of a triangle ABC, then =________.
Choices
Choice (4)  Response  

a.  2 

b.  1 

c.  3 

d.  0 

Question number: 454
Question
The edge of a cube is 25 cm. how many small cubes of 5 cm edge can be formed from this cube?
Choices
Choice (4)  Response  

a.  125 

b.  148 

c.  180 

d.  164 

Question number: 455
Question
The points in which abscissa and ordinate have same sign will lie in
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

