IMO Mathematics Olympiad Class 10: Questions 184  188 of 958
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Question number: 184
» Pair of Linear Equations in Two Variables
Question
For how many values of k does the following system of equations have at least one solution?
Choices
Choice (4)  Response  

a.  2 

b.  0 

c.  1 

d.  Infinitely many 

Question number: 185
» Pair of Linear Equations in Two Variables
Question
Places and are 400 km apart from each other on a national highway. A car starts from and another from at the same time. If they go in the same direction then they meet in 10 hours and if they go in opposite directions they meet in hours. The speeds of the cars are ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 186
» Pair of Linear Equations in Two Variables
Question
The number of values of k for which the system of equations has atleast one solution is ________
Choices
Choice (4)  Response  

a.  3 

b.  0 

c.  1 

d.  2 

Question number: 187
Question
If are the roots of the equation, then the equation whose roots are and is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 188
Question
For to be a factor of, the value of p and q should respectively be ________
Choices
Choice (4)  Response  

a.  2, 5 

b.  5, 2 

c.  6, 25 

d.  5, 25 
