NSTSE (National Science Talent Search Exam Unified Council) Class 10: Questions 241  249 of 1484
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Question number: 241
Question
If and then is exactly divisible by ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  Both a. and b. are correct  
d.  Question does not provide sufficient data or is vague 
Question number: 242
Question
How much is less than ?
Choices
Choice (4)  Response  

a.   2ab  
b.  6ab  
c.  4ab  
d.   4ab 
Question number: 243
» Mathematics » Arithmetic Progressions
Question
If 6 times the 6^{th} term of AP is equal to 10 times the 10^{th} term, then 16^{th} term in that AP is
Choices
Choice (4)  Response  

a.  1  
b.  0  
c.  60  
d.  Cannot be determined 
Question number: 244
Question
Solve the equation where is acute .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 245
Question
Simplify .
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 246
Question
Express as a rational expression.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 247
» Mathematics » Quadratic Equations
Question
If p and q are the rots of , then = ________.
Choices
Choice (4)  Response  

a.  5  
b.  13  
c.  5  
d.  3 
Question number: 248
Question
Which of the following expression is a rational expression?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 249
» Mathematics » Arithmetic Progressions
Question
If ‘a’ is the AM of 3 numbers and ‘b’ is the AM of their squares, then the AM of their pair wise products in terms of a and b is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 