NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 425  433 of 1484
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Question number: 425
» Mathematics » Arithmetic Progressions
Question
If the nth term of an AP is , then the sum of the ‘n’ terms = ________.
Choices
Choice (4)  Response  

a.  Cannot be determined  
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 426
Question
What should be subtracted from to get ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 427
» Mathematics » Quadratic Equations
Question
The equation has
Choices
Choice (4)  Response  

a.  Two real roots  
b.  One real root  
c.  Two imaginary roots  
d.  One real and one imaginary root 
Question number: 428
Question
If A = then = ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 429
Question
If then =
Choices
Choice (4)  Response  

a.  3  
b.   3  
c.  Both a. and b. are correct  
d.  None of the above 
Question number: 430
» Mathematics » Coordinate Geometry
Question
One end of a diameter of a circle is and the center is . The coordinates of the other end is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 431
Question
If and then
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 432
» Mathematics » Quadratic Equations
Question
The sum of reciprocal of the roots of the equation is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 433
» Mathematics » Coordinate Geometry
Question
The point (3,4) is at a distance of ________ units from Xaxis.
Choices
Choice (4)  Response  

a.  7 units  
b.  4 units  
c.  3 units  
d.  None of the above 