Statistics & Probability (IMO Mathematics Olympiad (SOF) Class 10): Questions 52  58 of 80
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Question number: 52
» Statistics & Probability
Question
When two dice are thrown, the probability of getting the odds in favour of getting the sum 5 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 53
» Statistics & Probability
Question
The mean weight of a class of 34 students is kg. if the weight of the teacher is included, the mean rises by 500 g. Then the weight of the teacher is ________
Choices
Choice (4)  Response  

a.  62 kg 

b.  175 kg 

c.  64 kg 

d.  72 kg 

Question number: 54
» Statistics & Probability
Question
The average of 10 number is 60. If one of the numbers is excluded, the mean gets reduced by 10. Then the excluded number is ________
Choices
Choice (4)  Response  

a.  165 

b.  150 

c.  145 

d.  155 

Question number: 55
» Statistics & Probability
Question
If occur with frequencies respectively, then the arithmetic mean is ________
Choices
Choice (4)  Response  

a.  34.26 

b.  26.34 

c.  62.43 

d.  43.62 

Question number: 56
» Statistics & Probability
Question
A jar contains 8 Pink cubes, 5 Pink spheres, 6 Orange cubes, and 6 Orange spheres. If you select an object at random, what is the probability that the object is Orange or a cube?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 57
» Statistics & Probability
Question
The mean of is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 58
» Statistics & Probability
Question
The average of 6 number is 40. If one of the numbers is excluded, the mean gets reduced by 5. Then the excluded number is ________
Choices
Choice (4)  Response  

a.  65 

b.  35 

c.  55 

d.  45 
