IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 343  349 of 968
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Question number: 343
Question
The king, queen and jack of clubs are removed from a deck of 52 playing cards and then wellshuffled. One card is selected from the remaining cards. The probability of getting a club is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 344
Question
When two dice are thrown, the probability of getting a number always greater than 4 on the second dice is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 345
Question
In a , coordinates of A are and the equations of the medians through B and C are and respectively, so the coordinates of B and C are ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 346
Question
Two dices are thrown simultaneously. The probability of getting sum of atleast 11 is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 347
Question
What will be the area of the rhombus ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 348
Question
The mean of 20 observations is . By error, one observation was noted as was misread as 42. Then the correct mean is ________
Choices
Choice (4)  Response  

a.  21.5  
b.  28.3  
c.  29.5  
d.  26.5 
Question number: 349
Question
A Motor maintains an average speed of 60 km/hr while going from P to Q and maintains an average speed of 90 km/hr while coming back from Q to P. the average speed of the motor is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
