IMO Mathematics Olympiad Class 9: Questions 470  475 of 919
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Question number: 470
» Introduction to Euclid's Geometry
Question
The measures of two complementary angles are represented by and . What is the value of x?
Choices
Choice (4)  Response  

a.  40 

b.  30 

c.  10 

d.  20 

Question number: 471
Question
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 472
Question
The median of the following numbers 99, 54, 78, 65, 35, 45, 66 is________
Choices
Choice (4)  Response  

a.  66 

b.  35 

c.  54 

d.  65 

Question number: 473
Question
In Priti’s opinion, her weight is greater than 45 kg but less than 52 kg. Her brother does not agree with Priti and he thinks that Priti’s weight is greater than 40 kg but less than 50 kg. Her mother’s view is that his weight cannot be greater than 48 kg. If all of them are correct in their estimations, what is the average of different probable weights of Priti?
Choices
Choice (4)  Response  

a.  49 kg 

b.  47 kg 

c.  51 kg 

d.  53 kg 

Question number: 474
» Analytical Reasoning and Logical Reasoning
Question
Which number will replace the question mark?
Choices
Choice (4)  Response  

a.  18 

b.  15 

c.  11 

d.  10 

Question number: 475
Question
If has as a factor and leaves a remainder 26 when divided by , find the values of ‘x’ and ‘y’.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

