IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 198  202 of 929
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Question number: 198
» 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.  24˚ 

b.  21˚ 

c.  26˚ 

d.  22˚ 

Question number: 199
Question
If , then which of the following expressions holds?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 200
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: 201
» Lines, Angles and Quadrilaterals
Question
In the given figure, the value of y is ________
Choices
Choice (4)  Response  

a.  10 

b.  20 

c.  24 

d.  22 

Question number: 202
» Lines, Angles and Quadrilaterals
Question
In the given figure, , and , find
Choices
Choice (4)  Response  

a.  55˚ 

b.  50˚ 

c.  45˚ 

d.  60˚ 
