IMO Level 1 Mathematics Olympiad (SOF) Class 9: Questions 520  526 of 929
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Question number: 520
Question
Factorize
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 521
Question
The mean of 30 items is x and if each item is increased by 5, then its mean will be ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 522
» Analytical Reasoning and Logical Reasoning
Question
Find the number of triangles in the given figure.
Choices
Choice (4)  Response  

a.  18 

b.  24 

c.  20 

d.  All of the above 

Question number: 523
Question
If , and then value of t when , is________.
Choices
Choice (4)  Response  

a.  1 

b.  2 

c.  2 

d.  1 

Question number: 524
» Analytical Reasoning and Logical Reasoning
Question
In a certain code DISNEYWORLD code is written as EISNDYDORLW. How will CHIDAMBARAM be written in the code
Choices
Choice (4)  Response  

a.  KDMCFHRYTGS 

b.  ERDFCVSDWEA 

c.  CHIMADRAMBA 

d.  AHIDCMMARAB 

Question number: 525
» Linear Equations in Two Variables
Question
The parking charges of a car on Pune railway station for first 3 hours in Rs. 70 and 20 Rs. for subsequent hours, write down an equation for this information is________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 526
Question
If, then the value of x is________.
Choices
Choice (4)  Response  

a.  3 

b.  7 

c.  1 

d.  5 
