Statistics & Probability (IMO Mathematics Olympiad Class 10): Questions 12  18 of 80
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Question number: 12
» Statistics & Probability
Question
The mean of is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 13
» Statistics & Probability
Question
Two dices are thrown simultaneously. The probability of getting the odd against getting the sum 6 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 14
» Statistics & Probability
Question
Two dice are thrown at a time. The probability that the difference of the numbers shown on the dice is 1 is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 15
» Statistics & Probability
Question
If occur with frequencies respectively, then the arithmetic mean is ________
Choices
Choice (4)  Response  

a.  6 

b.  6.75 

c.  6.5 

d.  6.25 

Question number: 16
» Statistics & Probability
Question
A card is drawn from a packet of 50 cards numbered 1 to 50. The probability of drawing a number which is a square is ________
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Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 17
» Statistics & Probability
Question
The mean weight of a class of 39 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.  65 kg 

b.  44 kg 

c.  70 kg 

d.  95 kg 

Question number: 18
» Statistics & Probability
Question
A Bus maintains an average speed of 50 km/hr while going from A to B and maintains an average speed of 80 km/hr while coming back from B to A. the average speed of the bus is ________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

