NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 588  596 of 1484
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Question number: 588
» Mathematics » Quadratic Equations
Question
If then becomes
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 589
» Mathematics » Quadratic Equations
Question
The roots of the equation are
Choices
Choice (4)  Response  

a.  Real and equal  
b.  Irrational and unequal  
c.  Rational and equal  
d.  Imaginary 
Question number: 590
» Mathematics » Quadratic Equations
Question
If one root of the equation is , then the other root is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 591
» Mathematics » Arithmetic Progressions
Question
The nth term in the series
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 592
» Mathematics » Arithmetic Progressions
Question
Which term of the AP, 63,60,57,54, ………. . is the first negative term?
Choices
Choice (4)  Response  

a.  19  
b.  21  
c.  23  
d.  22 
Question number: 593
» Mathematics » Coordinate Geometry
Question
Two vertices of triangle are and and medians intersect at . Then the third vertex is________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 594
Question
The product of two consecutive numbers is 72. Find them.
Choices
Choice (4)  Response  

a.  72, 8  
b.  8,9  
c.  8, 9  
d.  8, 9 
Question number: 595
» Mathematics » Surface Area and Volumes
Question
A hemispherical bowl is made of steel of 0.8 cm thickness. The inner radius of the bowl is 12 cm. The volume of steel used is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 596
» Mathematics » Surface Area and Volumes
Question
A top is of the shape of a cone over a hemisphere. The radius of the hemisphere is 7 cm. The total height of the top is 31 cm. The total area of top is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 