IMO Mathematics Olympiad Class 9: Questions 613  619 of 919
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 919 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 613
Question
Two coins are tossed simultaneously. The probability of getting at least one head is ________
Choices
Choice (4)  Response  

a. 


b. 


c.  0 

d. 


Question number: 614
» Analytical Reasoning and Logical Reasoning
Question
In a telephone directory which of the following names will appear in the third position
Choices
Choice (4)  Response  

a.  Mahender 

b.  Mahindra 

c.  Mahinder 

d.  Mahendra 

Question number: 615
Question
The mean of 13 observations is 14. If the mean of the first 7 observations is 12 and that of the last 7 observations is 16, then the 7^{th} observation is ________
Choices
Choice (4)  Response  

a.  12 

b.  16 

c.  14 

d.  18 

Question number: 616
» Analytical Reasoning and Logical Reasoning
Question
In the given question, which number can replace the question mark
Choices
Choice (4)  Response  

a.  9 

b.  7 

c.  36 

d.  1 

Question number: 617
Question
A man purchases an electric heater whose printed price is Rs. 160. If he received two successive discounts of and , he p
Choices
Choice (4)  Response  

a.  Rs. 112 

b.  Rs. 115.20 

c.  Rs. 119.60 

d.  Rs. 129.60 

Question number: 618
» Linear Equations in Two Variables
Question
If , then values of y are________
Choices
Choice (4)  Response  

a.  y = 15 and y=10 

b.  y=10 and y=30 

c.  y = 25 and y = 5 

d.  y = 20 and y = 30 

Question number: 619
Question
Algebraic sum of the deviation of a set of values of a data from their mean is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

