Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 811  818 of 989
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Question number: 811
Question
MCQ▾The dimensions of a hall are 20 m, 12.5 m, 10 m. If each person requires 100 cubic meter, then the number of persons who can be accommodated in the hall are
Choices
Choice (4)  Response  

a.  120  
b.  100  
c.  25  
d.  50 
Question number: 812
Question
MCQ▾If then is
Choices
Choice (4)  Response  

a. 
 
b.  8  
c.  16  
d.  12 
Question number: 813
Question
MCQ▾If then a = ________.
Choices
Choice (4)  Response  

a.  2  
b.  2  
c.  40  
d.  All of the above 
Question number: 814
Question
MCQ▾The irrational number between 5 and 6 is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 815
Question
MCQ▾The perimeter of a rhombus is 32 cm and one of its diagonals is 12 cm. The length of the other diagonal is
Choices
Choice (4)  Response  

a.  42.66 cm  
b.  20 cm  
c.  44 cm  
d.  21.33 cm 
Question number: 816
Question
MCQ▾The sides of a triangle are 14 cm, 48 cm and 50 cm. The altitude to middle length side is
Choices
Choice (4)  Response  

a.  28 cm  
b.  25 cm  
c.  24 cm  
d.  14 cm 
Question number: 817
Question
MCQ▾The largest volume of a cube that can be enclosed in a sphere of diameter 4 cm is (in )
Choices
Choice (4)  Response  

a. 
 
b.  2  
c. 
 
d.  π 
Question number: 818
Question
MCQ▾If 9,11,5 and 3 occur with frequencies 2,5, 1 and 6 respectively, then the arithmetic mean is
Choices
Choice (4)  Response  

a.  6.6  
b.  2.3  
c.  6.86  
d.  10 