NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 459  467 of 1484
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Question number: 459
» Mathematics » Surface Area and Volumes
Question
A cylindrical vessel of diameter 4 cm is partly filled with water. 300 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: 460
Question
If and then = ________.
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Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 461
Question
The expression leaves a remainder 5 and 0 when divided by and repsectively. Calculate the values of a and b.
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Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 462
» Mathematics » Arithmetic Progressions
Question
If the nth term of an AP is , then the sum of the ‘n’ terms = ________.
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Choice (4)  Response  

a.  Cannot be determined  
b. 
 
c. 
 
d.  All of the above 
Question number: 463
» Mathematics » Quadratic Equations
Question
If one root of the equation is 1, then the other root is:
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Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 464
Question
If then =________.
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Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 465
» Mathematics » Quadratic Equations
Question
If m and n are the rots of , then = ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 466
Question
Find the quadratic polynomial which is exactly divided by and .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 467
Question
The sum of and its reciprocal is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 