NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 7  13 of 2000
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Question number: 7
» Mathematics » Circles
Question
The diameter is
Choices
Choice (4)  Response  

a.  Three times radius of circle  
b.  Smallest chord of a circle  
c.  Greatest chord of a circle  
d.  None of the above 
Question number: 8
Question number: 9
» Mathematics » Circles
Question
A regular nonage (9 sides) is inscribed in a circle. The angle that each side of the decagon subtends at the center is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 10
» Mathematics » Areas of Parallelograms and Triangles
Question
ABCD is a parallelogram and ‘O’ is the point of intersection of its diagonals AC and BD. If the area of , the area of the parallelogram is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 11
» Mathematics » Triangles
Question
If two triangles have their corresponding angles equal, then they are always congruent.
Choices
Choice (4)  Response  

a.  Cannot be determined  
b.  True  
c.  False  
d.  All of the above 
Question number: 12
» Mathematics » Lines and Angles
Question
Number of exterior angles formed in a triangle
Choices
Choice (4)  Response  

a.  5  
b.  8  
c.  6  
d.  3 