Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 219  224 of 989
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Question number: 219
Question
MCQ▾If bisectors of and of a quadrilateral ABCD intersect each other at P, of and at Q, of and at R and of and at S, then PQRS is a
Choices
Choice (4)  Response  

a.  Parallelogram  
b.  Rectangle  
c.  Quadrilateral whose opposite angles are supplementary  
d.  Rhombus 
Question number: 220
Question
MCQ▾As shown in the figure, ABC is a triangle inscribed in a circle with center O. If then is equal to
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 221
Question
MCQ▾From the adjoining figure the value of x is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 222
Question
MCQ▾In the given figure, AOB and COD are two diameters of a circle with center O. If . Find .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 223
Question
MCQ▾At 9 O’clock the angle formed between the hands of a clock is
Choices
Choice (4)  Response  

a.  Reflex angle  
b.  Acute angle  
c.  Right angle  
d.  Straight angle 
Question number: 224
Question
MCQ▾The area of a rhombus is . If one of its diagonals is 5 cm, the other diagonal is ________.
Choices
Choice (4)  Response  

a.  15 cm  
b.  10 cm  
c.  12 cm  
d.  7 cm 