IMO Mathematics Olympiad Class 9: Questions 398  401 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: 398
Question
The sides BC, CA and AB of are produces in order to form exterior angles and, then is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 399
» Lines, Angles and Quadrilaterals
Question
In the adjoining figure, Line p and q are transversals, then ST = ________
Choices
Choice (4)  Response  

a.  12 units 

b.  10 units 

c.  14 units 

d.  15 units 

Question number: 400
Question
In the medians PS, QT and RU pass through O. if, and then OS is ________
Choices
Choice (4)  Response  

a.  2.6 

b.  2.5 

c.  2.9 

d.  2.3 

Question number: 401
Question
What change in percent is made in the area of a rectangle by decreasing its length and increasing its breadth by ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

