Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 317  324 of 989
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Question 317
Question
MCQ▾AB is a chord of length 30 cm of a circle with center O and radius 17 cm. If Find the distance of the chord from the center.
Choices
Choice (4)  Response  

a.  4 cm  
b.  16 cm  
c.  8 cm  
d.  13 cm 
Question 318
Question
MCQ▾The ratio of the areas of two squares is 121: 169. The ratio of their perimeter in the same order is ________.
Choices
Choice (4)  Response  

a.  16: 21  
b.  21: 16  
c.  11: 13  
d.  13: 11 
Question 319
Question
MCQ▾ABCD is a parallelogram in which diagonals intersect at O. If then
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 320
Question
MCQ▾Number of angles formed by a transversal with a pair of lines
Choices
Choice (4)  Response  

a.  8  
b.  6  
c.  4  
d.  3 
Question 321
Question
MCQ▾Type of angle between the hands of a clock when the time is 4: 25 is
Choices
Choice (4)  Response  

a.  Straight angle  
b.  Acute angle  
c.  Right angle  
d.  Obtuse angle 
Question 322
Question
MCQ▾A pair of angles with a common vertex and common arm is called
Choices
Choice (4)  Response  

a.  Adjacent angles  
b.  Complementary  
c.  Supplementary  
d.  All of the above 
Question 323
Question
MCQ▾ABCD is a parallelogram in which diagonals intersect at O. If then
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 324
Question
MCQ▾In the adjoining figure, it is given that , and then ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
