IMO Mathematics Olympiad Class 10: Questions 467  471 of 958
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Question number: 467
Question
The area of a triangle is 5 square units, two of its vertices are. The third vertex lies on . What will be the third vertex?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 468
Question
The average temperatures of Tuesday, Wednesday and Thursday was . The average temperature of Wednesday, Thursday and Friday was . If the temperature on Tuesday was , then the temperature on Friday was ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 469
Question
The algebraic sum of the deviations of a frequency distribution from its mean is ________
Choices
Choice (4)  Response  

a.  A nonzero number 

b.  Always negative 

c.  Always positive 

d.  0 

Question number: 470
Question
The mean of 10 observations is. if each observation is multiplied by 2, then what is the new mean?
Choices
Choice (4)  Response  

a.  16 

b.  15 

c.  11 

d.  17 

Question number: 471
Question
The distance between the points is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

