IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 416  424 of 968
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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. 
Question number: 417
Question
When two dice are thrown, the probability of getting a prime number as the sum is ________
Choices
Choice (4)  Response  

a. 
 
b.  
c.  
d. 
Question number: 418
Question
In what ratio is the line segment joining the points is divided by Xaxis?
Choices
Choice (4)  Response  

a.  1: 1  
b.  3: 10  
c.  5: 7  
d.  7: 8 
Question number: 419
Question
XYZ is an isosceles triangle. If the coordinates of the base are , then the coordinates of the vertex Z can be
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 420
Question
In what ratio is the line segment joining the points is divided by Xaxis?
Choices
Choice (4)  Response  

a.  1: 3  
b.  3: 1  
c.  6: 7  
d.  7: 6 
Question number: 421
Question
If the centroid of the triangle formed by the points is at the origin, then
Choices
Choice (4)  Response  

a. 
 
b.  0  
c. 
 
d. 

Question number: 422
Question
Find the area of the triangle whose vertices are and
Choices
Choice (4)  Response  

a. 
 
b.  
c.  
d. 
Question number: 423
Question
A card is drawn from a wellshuffled pack of 52 cards. The probability that the card neither a black card nor a king is ________
Choices
Choice (4)  Response  

a.  
b. 
 
c.  
d. 
Question number: 424
Question
A bag contains 6 blue and 4 green marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is green, is ________
Choices
Choice (4)  Response  

a.  
b.  
c.  
d. 