IMO Mathematics Olympiad Class 10: Questions 429  434 of 958
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Question number: 429
Question
The average temperatures of Monday, Tuesday, Wednesday and Thursday was. The average temperature of Tuesday, Wednesday, Thursday and Friday was . If the temperature on Monday was, then the temperature on Friday was ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 430
Question
The mean of 50 observations is 44. By error, one observation was noted as was misread as 56. Then the correct mean is ________
Choices
Choice (4)  Response  

a.  43.6 

b.  78.5 

c.  32.5 

d.  65.5 

Question number: 431
Question
Area of quadrilateral formed by the vertices is ________
Choices
Choice (4)  Response  

a.  289 sq. units 

b.  196 sq. units 

c.  310 sq. units 

d.  206 sq. units 

Question number: 432
Question
Two dices are thrown simultaneously. The probability of getting a sum of 8 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 433
Question
In a single throws of a die, the probability of getting a number is greater than 2 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 434
Question
The coordinates of the midpoints of the sides of a triangle are. What will be the coordinates of the centroid of the triangle?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

