IMO Mathematics Olympiad Class 9: Questions 138  142 of 919
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 138
» Lines, Angles and Quadrilaterals
Question
Diagonals of a rectangle PQRS intersect at O. If∠POS = 86˚, then ∠RQO is ________
Choices
Choice (4)  Response  

a.  47˚ 

b.  79˚ 

c.  50˚ 

d.  68˚ 

Question number: 139
» Lines, Angles and Quadrilaterals
Question
In the given figure, PQRS is a trapezium in which PQ = 9 cm, PR = QS = 10 cm, RS = x cm and the distance between PQ and RS is 8 cm. Then the value of x is ________
Choices
Choice (4)  Response  

a.  22 cm 

b.  17 cm 

c.  14 cm 

d.  21 cm 

Question number: 140
» Lines, Angles and Quadrilaterals
Question
In the given figure, , and , find
Choices
Choice (4)  Response  

a.  55˚ 

b.  45˚ 

c.  60˚ 

d.  50˚ 

Question number: 141
» Lines, Angles and Quadrilaterals
Question
In the given figure, and . Then ∠FCD is ________.
Choices
Choice (4)  Response  

a.  120˚ 

b.  45 

c.  90˚ 

d.  60˚ 

Question number: 142
» Lines, Angles and Quadrilaterals
Question
If , and , then x and y respectively are ________
Choices
Choice (4)  Response  

a.  40˚, 30˚ 

b.  90˚, 30˚ 

c.  30˚, 45˚ 

d.  50˚, 77˚ 
