Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 306  311 of 989
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Question number: 306
Question
MCQ▾In the given figure, two chord AB and CD of a circle intersect each other at a point O such that . Then find .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 307
Question
MCQ▾In the following figure, O is the center of the circle. Find the value of x.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 308
Question
MCQ▾C is the center of the circle as shown in the diagram below. Then is equal to
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 309
Question
MCQ▾In the given figure, two chord AB and CD of a circle intersect each other at a point O such that . Then find .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 310
Appeared in Year: 1960
Question
MCQ▾In the given figure, is inscribed in a circle with center O. If the length of the chord YZ is equal to the radius of the circle OY then = ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 311
Question
MCQ▾In a quadrilateral ABCD, the diagonals AC and BD are equal and perpendicular to each other. Then ABCD is a:
Choices
Choice (4)  Response  

a.  Parallelogram  
b.  Square  
c.  Rhombus  
d.  Trapezium 