IMO Mathematics Olympiad Class 10: Questions 411  416 of 908
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Question number: 411
Question
Two dice are thrown simultaneously. The probability of getting a total 5, 6 or 7 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 412
Question
The vertices of are . If XP is angle bisector, where P meets on YZ, then coordinates of P are ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 413
Question
The mean of five numbers is 18. If one number is excluded, then their mean is 16, the excluded number is ________
Choices
Choice (4)  Response  

a.  25 

b.  26 

c.  28 

d.  24 

Question number: 414
Question
Points are joined to form a quadrilateral. What will be the structure of quadrilateral?
Choices
Choice (4)  Response  

a.  Square 

b.  Pentagon 

c.  Cross 

d.  Hexagon 

Question number: 415
Question
The average age of 5 teachers is 28 years. If one teacher is excluded the mean gets reduced by 2 years. The age of the excluded teacher is ________
Choices
Choice (4)  Response  

a.  33 years 

b.  36 years 

c.  35 years 

d.  26 years 

Question number: 416
Question
Two dice are thrown simultaneously. The probability of getting a doublet or a total of 8 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

