Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 824  831 of 989
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Question 824
Question
MCQ▾The product of rational and irrational number is always
Choices
Choice (4)  Response  

a.  Rational  
b.  Irrational  
c.  Question does not provide sufficient data or is vague  
d.  None of the above 
Question 825
Question
MCQ▾The equation of the line parallel to yaxis is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 826
Question
MCQ▾The triangle formed and is
Choices
Choice (4)  Response  

a.  An isosceles triangle  
b.  A right angled isosceles triangle  
c.  No triangle is formed  
d.  A right angled triangle 
Question 827
Question
MCQ▾Two numbers are chosen from 4 to 9. The probability for the two numbers to be consecutive is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question 828
Question
MCQ▾Express as rational number.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question 829
Question
MCQ▾The ratio of radii of two cylinders is and heights are in the ratio . The ratio of their volumes is
Choices
Choice (4)  Response  

a.  4: 3  
b.  3: 2  
c.  1: 2  
d.  1: 1 
Question 830
Question
MCQ▾The largest sphere is cut off from a cube of side 10 cm. The volume of the sphere will be:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 831
Question
MCQ▾If the two sides of a right angled triangle are equal and the square of the hypotenuse is 338 cm then the length of each side is
Choices
Choice (4)  Response  

a.  26 cm  
b.  13 cm  
c.  18 cm  
d.  cm 