IMO Mathematics Olympiad Class 9: Questions 198  202 of 919
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Question number: 198
Question
In the given figure, three equilateral triangles have a common vertex then
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 199
» Lines, Angles and Quadrilaterals
Question
In the given figure, AB is a mirror, PQ is the incident ray and QR is the reflected ray. If ∠PQR = 136˚, then ∠PQA is ________
Choices
Choice (4)  Response  

a.  22˚ 

b.  24˚ 

c.  26˚ 

d.  21˚ 

Question number: 200
Question
If , then which of the following expressions holds?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 201
Question
If one leg of an isosceles rightangles triangle is increased by 6 cm and the other leg is increased by 4 cm, then change in area of the triangle is 24 sq. cm. find the length of the leg of the original triangle.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 202
» Lines, Angles and Quadrilaterals
Question
In the given figure, the value of y is ________
Choices
Choice (4)  Response  

a.  24 

b.  10 

c.  22 

d.  20 
