Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 480  487 of 989
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Question number: 480
Question
MCQ▾The rationalizing factor of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 481
Question
MCQ▾The angles in a right angled triangle other than the right angle are
Choices
Choice (4)  Response  

a.  Obtuse  
b.  Right  
c.  Acute  
d.  All of the above 
Question number: 482
Question
MCQ▾One of the factors of is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 483
Question
MCQ▾The value of x in is
Choices
Choice (4)  Response  

a.  16,10  
b.  16, 10  
c.  16, 10  
d.  16,10 
Question number: 484
Question
MCQ▾If each entry of a data is decreased by 1, then the arithmetic mean
Choices
Choice (4)  Response  

a.  Remains the same  
b.  Decreases by 1  
c.  Increases by 1  
d.  All of the above 
Question number: 485
Question
MCQ▾The value of
Choices
Choice (4)  Response  

a. 
 
b.  8  
c.  4  
d. 

Question number: 486
Question
MCQ▾The distance of the point from the origin is
Choices
Choice (4)  Response  

a.  units  
b.  units  
c.  5 units  
d.  Question does not provide sufficient data or is vague 
Question number: 487
Question
MCQ▾The height of a cone is 36 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.  15.18 cm  
b.  5.65 cm  
c.  21.53 cm  
d.  30.35 cm 