NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 870  878 of 1484
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Question number: 870
Question
The value of ………. .
Choices
Choice (4)  Response  

a.  0  
b.  1  
c.  1  
d.  All of the above 
Question number: 871
Question
When two dice are thrown, the probability of getting a number always greater than 3 on the first dice is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 872
Question
A person walking 45 m towards a chimney in a horizontal line through its base observes that its angle of elevation changes from to . The height of chimney is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 873
» Mathematics » Quadratic Equations
Question
If and are the roots of the equation when , then the roots of the equation are:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 874
Question
The value of = ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 875
Question
The value of = ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 876
» Mathematics » Quadratic Equations
Question
If be the roots of the quadratic equation , then the quadratic equation whose roots are and is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 877
» Mathematics » Coordinate Geometry
Question
The value of k if are collinear is
Choices
Choice (4)  Response  

a.  3  
b.  0  
c.  1  
d.  3 
Question number: 878
» Mathematics » Coordinate Geometry
Question
The point lies on
Choices
Choice (4)  Response  

a.  ve Yaxis  
b.  +ve Xaxis  
c.  +ve Yaxis  
d.  ve Xaxis 