IMO Level 2 Mathematics Olympiad (SOF) Class 9: Questions 46  48 of 48
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Question number: 46
» Linear Equations in Two Variables
Appeared in Year: 2013
Question
If the roots of are equal, then k = ________.
Choices
Choice (4)  Response  

a.  0 

b. 


c. 


d. 


Question number: 47
Appeared in Year: 2013
Question
A does half as much work as B in threefourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it?
Choices
Choice (4)  Response  

a.  30 days 

b.  40 days 

c.  35 days 

d.  Question does not provide sufficient data or is vague 

Question number: 48
» Analytical Reasoning and Logical Reasoning
Appeared in Year: 2013
Question
In the following diagram, the circle represents ‘college Professors’, the triangle represents ‘Surgical Specialists’, and rectangle represents ‘Medical Specialists’.
What does B represent?
Choices
Choice (4)  Response  

a.  Professors who are not Medical Specialists. 

b.  Medical Specialists who are neither Professors nor Surgical Specialists. 

c.  Professors who are neither Medical nor Surgical Specialists. 

d.  Professors who are not Surgical Specialists. 
