IMO Mathematics Olympiad (SOF) Class 9: Questions 912  918 of 919
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Question number: 912
Question
If show that = ________.
Choices
Choice (4)  Response  

a.  1 

b.  0 

c.  2 

d.  1 

Question number: 913
» Linear Equations in Two Variables
Question
If (2,0) is a solution of the linear equation then the value of k is ________
Choices
Choice (4)  Response  

a.  5 

b.  2 

c.  4 

d.  6 

Question number: 914
Question
The mean of 18 observations is 30. If the mean of the first 8 observations is 25 and that of the last 10 observations is 34, then the 8^{th} observation is ________
Choices
Choice (4)  Response  

a.  68 

b.  70 

c.  66 

d.  58 

Question number: 915
» Analytical Reasoning and Logical Reasoning
Question
If and then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 916
» Introduction to Euclid's Geometry
Question
According to Euclid, a Line has________
Choices
Choice (4)  Response  

a.  Length but no breadth and thickness 

b.  Thickness but no breadth and length 

c.  No length, no breadth and no thickness 

d.  Breadth but no length and thickness 

Question number: 917
Question
Mayur bought pencil at Rs. 3 each and y getting cards at 90 paise each. If the pencil cost Rs. 15 more than the cards, the equation involving x and y are ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 918
» Analytical Reasoning and Logical Reasoning
Question
Raj starts from his office facing west and walks 100 meters straight, then takes a right turn and walks 100 meters. Further, he takes a left turn and walks 50 meters. In which direction is Raj now from the starting point?
Choices
Choice (4)  Response  

a.  NorthWest 

b.  North 

c.  NorthEast 

d.  SouthWest 
