Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 501  507 of 989
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Question 501
Question
MCQ▾The area of a rhombus is 96 and one of its diagonal is 12 cm. Its perimeter is
Choices
Choice (4)  Response  

a.  25 cm  
b.  30 cm  
c.  40 cm  
d.  84 cm 
Question 502
Question
MCQ▾If , then ________.
Choices
Choice (4)  Response  

a.  Not a rational number  
b.  A natural number  
c.  A rational number  
d.  An integer 
Question 503
Question
MCQ▾The radius of a cylinder is halved but its lateral surface area is unchanged. Then its height must be
Choices
Choice (4)  Response  

a.  Halved  
b.  Doubled  
c.  Constant  
d.  Trebled 
Question 504
Question
MCQ▾The probability of getting a number less than 5 or an even number in a single throw of a fair die is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 505
Question
MCQ▾The height and radius of a cone are 24 cm and 7 cm respectively. Its curved surface area must be is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 506
Question
MCQ▾By what rational number should be multiplied to obtain 56?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question 507
Question
MCQ▾A cylindrical vessel contains 99.792 liters of liquid. Cost of painting its CSA at 4 paise/sq cm is Rs. 95.04. Then its total surface area is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
