IMO Mathematics Olympiad Class 9: Questions 774  778 of 919
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Question number: 774
» Linear Equations in Two Variables
Question
Suman had 11 pair of bangles. She let Smita borrow 4x pair of bangles, and then she had 7 pairs left. Which equation models this solution?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 775
Question
One quality of wheat at Rs. 15 per kg is mixed with another quality at a certain rate in the ratio . If the mixture so formed be worth Rs. 30 per kg, what is the rate per kg of the second quality of wheat?
Choices
Choice (4)  Response  

a.  Rs. 41  
b.  Rs. 40  
c.  Rs. 42  
d.  Rs. 39 
Question number: 776
Question
A die is thrown once. The probability of getting an odd number is ________
Choices
Choice (4)  Response  

a.  2  
b. 
 
c. 
 
d.  0 
Question number: 777
Question
The probability of guessing the correct answer to a certain test question is . If the probability of not guessing the correct answer to this question is , then x = ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  5 
Question number: 778
» Analytical Reasoning and Logical Reasoning
Question
Three elements are given below. These elements may or may not have some interlinkage. Each group of the elements may fit into one of the diagrams at (A), (B), (C), (D). You have to indicate which diagram depicts the correct relationship among “Honesty, Intelligence, Aptitude”.
Choices
Choice (4)  Response  

a.  
b.  
c.  
d. 