NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 870  876 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 
