NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 304  308 of 2000
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Question number: 304
» Mathematics » Circles
Question
An equilateral triangle PQR is inscribed in a circle with center O. Find .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 305
» Mathematics » Circles
Question
AB is a chord of a circle of radius 2.6 cm and P is a point on it which divided it into two parts in the ratio 2: 3. If P is 1.8 cm distant from the center O, the length of AB is
Choices
Choice (4)  Response  

a.  3.08 cm  
b.  3.85 cm  
c.  4.9 cm  
d.  4.28 cm 
Question number: 306
» Mathematics » Lines and Angles
Question
Measure of an obtuse angle is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 307
» Mathematics » Circles
Question
AB, CD, EF and GH are chords of a circle. If and then the chord nearest to the center of the circle is
Choices
Choice (4)  Response  

a.  EF  
b.  CD  
c.  AB  
d.  GH 
Question number: 308
» Mathematics » Circles
Question
O is the center of the circle as shown in the diagram. The distance between P and Q is 8 cm. Then the measure of is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
