IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 386  393 of 968
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Question number: 386
Question
The mean of is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 387
Question
is three vertices of the parallelogram ABCD. The coordinates of fourth vertex is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 388
Question
If occur with frequencies respectively, then the arithmetic mean is ________
Choices
Choice (4)  Response  

a.  5.5  
b.  6.5  
c.  3.5  
d.  4.4 
Question number: 389
Question
The coordinates of the centre of a circle passing through is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 390
Question
Orthocenter of the triangle formed by the lines and is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 391
Question
A bag contains 6 Red, 9 Blue and 5 Black marbles. If a marble is drawn at random from the bag, the probability that the marble drawn is red or Blue, is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 392
» Triangle, Circle & Constructions
Question
In the adjacent figure, BA and BC are produced to meet CD and AD produced in E and F. then is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 393
Question
One card is drawn from a wellshuffled deck of 52 cards the probability of drawing an ace is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
