NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 452  458 of 1484
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Question number: 452
» Mathematics » Arithmetic Progressions
Question
The sum of the series to 30 terms is
Choices
Choice (4)  Response  

a.  1800  
b.  1540  
c.  1620  
d.  1860 
Question number: 453
» Mathematics » Coordinate Geometry
Question
Area of quadrilateral formed by the vertices and is
Choices
Choice (4)  Response  

a.  sq units  
b.  sq units  
c.  sq units  
d.  sq units 
Question number: 454
Question
The HCF and LCM of the polynomials P (x) and Q (x) are and . If Q (x) = , then P (x) =
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 455
Question
A rational expression whose numerator is a quadratic polynomial with zeroes, 5 and 7 and whose denominator is a monomial with zeroes 6 is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 456
» Mathematics » Surface Area and Volumes
Question
The base radius of a cylinder is times its height. The cost of painting its CSA at is Rs. 21.56. The volume of the liquid is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 457
» Mathematics » Surface Area and Volumes
Question
The height of a cone is 30 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.
Choices
Choice (4)  Response  

a.  30 cm  
b.  15 cm  
c.  10 cm  
d.  20 cm 
Question number: 458
Question
= ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 