IMO Mathematics Olympiad Class 9: Questions 542  547 of 919
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Question number: 542
» Linear Equations in Two Variables
Question
If the point (5, 7) lies on the graph of the equation , then the value of a is ________
Choices
Choice (4)  Response  

a.  9 

b.  8 

c.  5 

d.  1 

Question number: 543
Question
Find the remainder when is divided by .
Choices
Choice (4)  Response  

a.  5 

b.  4 

c.  7 

d.  9 

Question number: 544
Question
If , then , is ________.
Choices
Choice (4)  Response  

a.  55 

b.  0 

c.  54 

d.  34 

Question number: 545
» Linear Equations in Two Variables
Question
The solution of the equations and is________.
Choices
Choice (4)  Response  

a.  x = 18, y = 12 

b.  x = 0, y = 0 

c.  No solution 

d.  x = 8, y = 5 

Question number: 546
» Analytical Reasoning and Logical Reasoning
Question
Group the given figures into three classes using each figure only once.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 547
Question
Mean marks scored by 50 students were found to be 70. Later it was observed that a score of 45 was misread as 54. Then the correct mean is ________
Choices
Choice (4)  Response  

a.  69 

b.  69.82 

c.  79.82 

d.  59 
