IMO Mathematics Olympiad Class 9: Questions 153  156 of 919
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Question number: 153
» Lines, Angles and Quadrilaterals
Question
The given figure, PQRS is a trapezium in which ∠P= (y + 15) ˚, ∠Q= (3y + 25) ˚, ∠R = 75˚ and ∠S = x˚ then the value of x and y are________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 154
» Lines, Angles and Quadrilaterals
Question
The measurement of a window is , if 12 doors are to be fixed in that window in four rows, measurements of each door should be________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 155
» Lines, Angles and Quadrilaterals
Question
If two complementary angles are in the ratio 17: 13, then the angles are________
Choices
Choice (4)  Response  

a.  25˚, 65˚ 

b.  55˚, 35˚ 

c.  60˚, 30˚ 

d.  51˚, 39˚ 

Question number: 156
» Lines, Angles and Quadrilaterals
Question
In the figure line a line b line c. their transversal line t1 and line t2, cut them at point X, Y, Z and J, K, L respectively. Point Y is the midpoint of segment XZ. If find and
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

