Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 893  898 of 989
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Question 893
Question
MCQ▾The number where a, b > 0 is
Choices
Choice (4)  Response  

a.  Rational  
b.  Irrational  
c.  Question does not provide sufficient data or is vague  
d.  None of the above 
Question 894
Question
MCQ▾A vessel is in conical shape. If its volume is 18.48 liters and height is 36 cm, the cost of repairing its CSA at Rs. 24/sq m is
Choices
Choice (4)  Response  

a.  2.76  
b.  3.54  
c.  1.47  
d.  1.94 
Question 895
Question
MCQ▾If A: Every whole number is a natural number and
R: 0 is not a natural number.
Then which of the following statements is true?
Choices
Choice (4)  Response  

a.  A is false and R is correct explanation of A  
b.  A and R are true  
c.  A is true and R is false  
d.  A is true and R is correct explanation of A 
Question 896
Question
MCQ▾The mean of the eight numbers is 46. If one of the numbers is excluded, the mean of the remaining numbers is 42. Then the excluded number is
Choices
Choice (4)  Response  

a.  83  
b.  59  
c.  74  
d.  All of the above 
Question 897
Question
MCQ▾The factors of are:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question 898
Question
MCQ▾The point (7, 3) is at a distance of ________ units from Xaxis.
Choices
Choice (4)  Response  

a.  3 units in negative direction  
b.  10 units in negative direction  
c.  7 units in positive direction  
d.  All of the above 