IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 963  968 of 968
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Question number: 963
Question
If the equation has equal roots, and then the both roots are equal to ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 964
Question
Four vertices of a parallelogram taken in order are (10,20), (x, y), (8,10) and (3,6). What will be the ratio of x and y?
Choices
Choice (4)  Response  

a.  23,25  
b.  22,26  
c.  15,24  
d.  22,23 
Question number: 965
Question
Rationalizing factor of is ________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 966
Question
The mean of 18 observations is 40. By error, one observation was noted as 25 was misread as 52. Then the correct mean is ________
Choices
Choice (4)  Response  

a.  38.5  
b.  29.6  
c.  16.7  
d.  40.5 
Question number: 967
Question
A man run a circle of radius 50 m at a speed of 20 km/h. the time taken by him for going around it 10 times is ________
Choices
Choice (4)  Response  

a.  2  
b.  4  
c.  1  
d.  3 
Question number: 968
» Pair of Linear Equations in Two Variables
Question
At the end of the year 2017, Kartik was half old as his grandpa. The sum of the years in which they were born is 3884. Age of Kartik at the end of year 2018 is ________
Choices
Choice (4)  Response  

a.  70  
b.  51  
c.  80  
d.  60 