NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 561  569 of 1484
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Question number: 561
Question
Find the value of “a” and “b” so that and may be factors of .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 562
Question
Solve the equation where is acute .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 563
» Mathematics » Arithmetic Progressions
Question
Find a positive integral solution to the equation
Choices
Choice (4)  Response  

a.  120  
b.  220  
c.  221  
d.  121 
Question number: 564
Question
If then ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  2  
d.  All of the above 
Question number: 565
Question
The product of and is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 566
» Mathematics » Arithmetic Progressions
Question
The sum of ‘n’ terms of an AP is . Then the nth term is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 567
» Mathematics » Quadratic Equations
Question
The discriminant of with a, c and real constants is zero. The roots must be
Choices
Choice (4)  Response  

a.  Equal and integral  
b.  Real and equal  
c.  Imaginary  
d.  Rational and equal 
Question number: 568
» Mathematics » Coordinate Geometry
Question
In what ratio is the segment joining the points and divided by Xaxis?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 569
» Mathematics » Arithmetic Progressions
Question
The value of is
Choices
Choice (4)  Response  

a.  225  
b.  90  
c.  85  
d.  112 