IMO Level 1 Mathematics Olympiad (SOF) Class 10: Questions 960  966 of 968
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Question number: 960
Question
If the zero of the quadratic polynomial is 5, then the value of k is ________
Choices
Choice (4)  Response  

a.  35 

b.  18 

c.  64 

d.  38 

Question number: 961
» Logical & Analytical Reasoning
Question
If in a certain language NOTEBOOK is coded as 13624338 and WRITE is coded as 57962, then the ROBOT code is ________
Choices
Choice (4)  Response  

a.  73436 

b.  74336 

c.  73463 

d.  74363 

Question number: 962
Question
If 1 man or 2 women or 3 boys can do a piece of work in 99 days, then the same piece of work will be done by 1 man, 1 woman and 1 boy in ________
Choices
Choice (4)  Response  

a.  81 days 

b.  94 days 

c.  39 days 

d.  52 days 

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 
