Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 579  584 of 989
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Question number: 579
Question
MCQ▾Instead of walking along two adjacent sides of a rectangular field, a boy took a short cut along the diagonal and saved a distance equal to half the longer side. Then the ratio of the shorter side to the longer side is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 580
Question
MCQ▾Out of the rational number , , , which is smaller?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 581
Question
MCQ▾The equation of the line parallel to xaxis is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 582
Question
MCQ▾The triangle formed and is
Choices
Choice (4)  Response  

a.  A right angles isosceles triangle  
b.  No triangle is formed  
c.  A right angled triangle  
d.  An isosceles triangle 
Question number: 583
Question
MCQ▾A: An isosceles triangle is right angled
R: and
Then which of the following statement is true?
Choices
Choice (4)  Response  

a.  A is true and R is not correct explanation of A  
b.  A is false  
c.  A is true and R is correct explanation of A  
d.  None of the above 
Question number: 584
Question
MCQ▾The top of a broken tree touches the ground at a distance of 60 m from its base. If the tree is broken at a height of 11 m from the ground, then the actual height of the tree is
Choices
Choice (4)  Response  

a.  121 m  
b.  71 m  
c.  68 m  
d.  72 m 