IMO Mathematics Olympiad (SOF) Class 9: Questions 677  683 of 919
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Question number: 677
» Analytical Reasoning and Logical Reasoning
Question
How many 3’s is there which are immediately preceded by an even number as well as immediately followed by an odd number?
6 3 4 8 3 3 7 2 3 5 3 3 3 4 3 9
Choices
Choice (4)  Response  

a.  4 

b.  2 

c.  3 

d.  1 

Question number: 678
Question
A die is thrown once. The probability of getting a number greater than 3 is ________
Choices
Choice (4)  Response  

a. 


b. 


c.  0 

d. 


Question number: 679
» Linear Equations in Two Variables
Question
The number of values of k for which the system of equations , has the solutions is________
Choices
Choice (4)  Response  

a.  and 

b.  and 

c.  and 

d.  and 

Question number: 680
» Analytical Reasoning and Logical Reasoning
Question
In a certain code language
(1) ‘put tir fin’ means ‘fabulous Juicy Vegetable’.
(2) ‘tie dip sig’ means ‘superb white beans’.
(3) ‘sig lon fin’ means ‘beans and vegetable’.
Which word in that language means ‘and’?
Choices
Choice (4)  Response  

a.  sig 

b.  dip 

c.  put 

d.  lon 

Question number: 681
Question
If has as a factor and leaves a remainder 2 when divided by, find the values of ‘a’ and ‘b’.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 682
Question
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 683
Question
The average of n numbers is A. if is replaced by is replaced by , …, then the new average is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

