NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 881  888 of 2000
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Question number: 881
» Mathematics » Number Systems
Question
The greatest among the following is
I. II. III. IV.
Choices
Choice (4)  Response  

a.  IV  
b.  I  
c.  III  
d.  II 
Question number: 882
Question
The mean of 5 observations is 60. If one observation, namely 6 is added, the new mean is
Choices
Choice (4)  Response  

a.  55  
b.  71  
c.  51  
d.  54 
Question number: 883
» Mathematics » Surface Areas & Volumes
Question
The radius of a sphere is increased by X%. Its surface area increased by
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 884
» Mathematics » Coordinate Geometry
Question
The distance of the point from the origin is
Choices
Choice (4)  Response  

a.  units  
b.  units  
c.  Both a. and b. are correct  
d.  None of the above 
Question number: 885
» Mathematics » Number Systems
Question
Which of the following rational numbers is in the standard form?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 886
» Mathematics » Heron's Formula
Question
The sides of a triangle are in the ratio of 14: 15: 16 and its perimeter is 90 cm. Then the area of the triangle is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 887
Question
When two dice are thrown, the probability of getting a number always greater than 2 on the second dice is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 
Question number: 888
» Chemistry » The Nature of Matter
Question
The Brownian movement is due to ________.
Choices
Choice (4)  Response  

a.  Attraction and repulsion between charges on the colloidal particles  
b.  Temperature fluctuation within the liquid phase  
c.  Impact of the molecules of the dispersion medium on the colloidal particles.  
d.  None of the above 