NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 544  550 of 2000
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Question number: 544
» Mathematics » Surface Areas & Volumes
Question
A cylindrical vessel of diameter 12 cm is partly filled with water. 120 lead balls are dropped in it. The raise in water level is 0.8 cm. The diameter of each ball is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 545
» Mathematics » Linear Equations in Two Variables
Question
If and is the solution of the equation , then the value of ‘k’ is ________.
Choices
Choice (4)  Response  

a.  5  
b.  11  
c.  10  
d.  1 
Question number: 546
» Mathematics » Number Systems
Question
Rational number between and is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  1.98  
d.  2.8 
Question number: 547
» Biology » Fundamentals Unit of Life
Question
Telomere is
Choices
Choice (4)  Response  

a.  Not related with chromosome  
b.  Lower part of chromosome  
c.  Middle part of chromosome  
d.  End part of chromosome 
Question number: 548
Question
Two chimneys 16 m and 10 m high stand upright in a ground. If their feet are 8 m apart, then the distance between their tops is
Choices
Choice (4)  Response  

a.  10 m  
b.  24 m  
c.  18 m  
d.  26 m 
Question number: 549
» Mathematics » Number Systems
Question
The mean of 12 observations is 24.6. If an observation 8 is deleted, the mean of the remaining observations is
Choices
Choice (4)  Response  

a.  36.6  
b.  26.11  
c.  12.6  
d.  32.6 
Question number: 550
» Mathematics » Lines and Angles
Question
The difference of two complementary angles is . Then the angles are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
