IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 164  169 of 929
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Question number: 164
Question
In the adjoining figure, point P the intersection of lines l1 and l2 has coordinates (a, b) as shown here. Which of the following could be the ordered pair (a, b)?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 165
» Lines, Angles and Quadrilaterals
Question
The supplementary angle of an angle is one third of itself. Then the angle of its supplement are________
Choices
Choice (4)  Response  

a.  135˚, 45˚  
b.  120˚, 360˚  
c.  60˚, 120˚  
d.  60˚, 180˚ 
Question number: 166
Question
Find the value of
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 167
» Lines, Angles and Quadrilaterals
Question
If a straight line meets two other straight lines so as to make the sum of the two interior angles on one side of the transversal less than two right angles, then the other straight lines extended infinitely, will meet ________ the transversal
Choices
Choice (4)  Response  

a.  Can’t be determined  
b.  On that side of  
c.  On another side of  
d.  On 
Question number: 168
» Lines, Angles and Quadrilaterals
Question
The measure of an angle is twice times the measure of its supplementary angle. Then the angles are________
Choices
Choice (4)  Response  

a.  18˚, 72˚  
b.  50˚, 200˚  
c.  120˚, 60˚  
d.  40˚, 160˚ 
Question number: 169
» Lines, Angles and Quadrilaterals
Question
In figure, lines a and b intersect at O. if , the value of y, z and u respectively is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
